How do I solve for the F function and the F(x) function?
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University of Nevada Percentage of Survivors in Titanic Ship Questions
I’m working on math questions and need guidance to help me learn.
For questions 11-20 use data set Titanic ship
1. What ...
University of Nevada Percentage of Survivors in Titanic Ship Questions
I’m working on math questions and need guidance to help me learn.
For questions 11-20 use data set Titanic ship
1. What is the average age of mothers who gave birth? (round final answer to 2 decimal places)
2. What is the average age of mothers who give birth to sons? (round final answer to 2 decimal places)
3. What is the average age of mothers who give birth to daughters? (round final answer to 2 decimal places)
4. What is the variance of mothers age? (round final answer to 2 decimal places)
5. What is the standard deviation of mothers age? (round final answer to 2 decimal places)
6. What is the average birth weight of newborn babies in grams? (round final answer to 2 decimal places)
7. What is the average birth weight of newborn babies in ounces? (round final answer to 2 decimal places)
8. How many individuals are in this sample?
9. How many mothers drink during pregnancy in this data set?
10. What percentage of babies born were girls? (round final answer to 2 decimal places)
11. If you were travelling with a parent or a child, were you more or less likely to survive? More likely or less likely, which one?
12. Which sex was most likely to survive? Male or Female?
13. If your preference is to be part of the group that survives, would you prefer to be an upper class or lower class passenger on the titanic? upper or Lower?
14. If you are a baby (< 1 year old) are you more or less likely to survive? More likely or less likely, which one?
15. If you are travelling with a sibling or spouse, were you more or less likely to survive?
16. Real data is associated with real decisions of life, death, pain, love, depression, happiness, and rejection. You should always demonstrate respect and, to the extent possible, empathy with your data. Knowing this, what were the first names of the two youngest children who died on the Titanic?
Sydney and Eino?
Alexander and Viljo?
Joseph and Eleanor?
17. How old were the two youngest children who died on the Titanic?
<1, 1, 2, 3 which one?
18. What does S stand for on embarked? Southampton? Salisbury? Sheffield?
19. Which port of embarkation had the highest PERCENTAGE of survivors? Cherbourg? Southampton? Queenstown? Sheffield?
20. If a baby were travelling with just a nanny, should the variable parch be 1 or 0? 0? 1? which one?
21. What is the name of the first track on Adam Young's score, "RMS Titanic"?
http://www.ayoungscores.com/scores/rms-titanic/
Southampton? Captain Edward Smith? Silence? Survivors?
Quality Improvement Proposal
Identify a quality improvement opportunity in your organization or practice. In a 1,250-1,500 word paper, describe the pro ...
Quality Improvement Proposal
Identify a quality improvement opportunity in your organization or practice. In a 1,250-1,500 word paper, describe the problem or issue and propose a quality improvement initiative based on evidence-based practice. Apply "The Road to Evidence-Based Practice" process, illustrated in Chapter 4 of your textbook, to create your proposal.Include the following:Provide an overview of the problem and the setting in which the problem or issue occurs.Explain why a quality improvement initiative is needed in this area and the expected outcome.Discuss how the results of previous research demonstrate support for the quality improvement initiative and its projected outcomes. Include a minimum of three peer-reviewed sources published within the last 5 years, not included in the course materials or textbook, that establish evidence in support of the quality improvement proposed.Discuss steps necessary to implement the quality improvement initiative. Provide evidence and rationale to support your answer.Explain how the quality improvement initiative will be evaluated to determine whether there was improvement.Support your explanation by identifying the variables, hypothesis test, and statistical test that you would need to prove that the quality improvement initiative succeeded.While APA style is not required for the body of this assignment, solid academic writing is expected, and documentation of sources should be presented using APA formatting guidelines, which can be found in the APA Style Guide, located in the Student Success Center.This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.
Hurricane George Tracker Portfolio Worksheet
Meteorologists use
sophisticated models to predict the occurrence, duration, and trajectory of
weather events. They buil ...
Hurricane George Tracker Portfolio Worksheet
Meteorologists use
sophisticated models to predict the occurrence, duration, and trajectory of
weather events. They build their models based on observations that they have
made in the past. By understanding how previous weather events evolved,
meteorologists can apply that knowledge to future weather events.Parametric equations can be
used to graph the path of an object in space. For example, they can be used to
describe the path of a storm moving through an area. In this portfolio, you
will use historical storm data to trace the path of a hurricane. From this
data, you will use parametric equations to model the path of the storm.
Liberty University Math and Statistics Confidence Intervals Worksheet
Project Part 3 - Confidence Intervals
Based on the class sample, you will create a 95% confidence ...
Liberty University Math and Statistics Confidence Intervals Worksheet
Project Part 3 - Confidence Intervals
Based on the class sample, you will create a 95% confidence interval
for the mean age and the proportion of males in the population of all
online college students. Using the same sheet as part 2, answer the
following in the “week 5” tab: For the average age, form a 95% confidence interval:
What distribution should be used?What is the critical value?What is the error bound?What is the lower bound?What is the upper bound? For the proportion of males, form a 95% confidence interval:
What distribution should be used?What is the critical value?What is the error bound?What is the lower bound?What is the upper bound?
2 pages
Qr 2 1 Tech Template Solved
Original Amount New Amount Amount of Change % Change (decimal form) Use formulas to calculate the Amount of Change, % Chan ...
Qr 2 1 Tech Template Solved
Original Amount New Amount Amount of Change % Change (decimal form) Use formulas to calculate the Amount of Change, % Change (decimal form), and
9 Statistics questions
The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gatewa ...
9 Statistics questions
The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler is asked to provide a rating for the Miami International Airport. The ratings obtained from the sample of 50 business travelers follow.378910101099998567798109876879539101099898610847310898101088Develop a 95% confidence interval estimate of the population mean rating for Miami. Round your answers to two decimal places. Enter your answer using parentheses and a comma, in the form (n1,n2). Do not use commas in your numerical answer (i.e. use 1200 instead of 1,200, etc.)Suppose a random sample of size 53 is selected from a population with σ = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate).
a. The population size is infinite (to 2 decimals).b. The population size is N = 50,000 (to 2 decimals).c. The population size is N = 5000 (to 2 decimals).d. The population size is N = 500 (to 2 decimals).The budgeting process for a midwestern college resulted in expense forecasts for the coming year (in $ millions) of $9, $10, $11, $12, and $13. Because the actual expenses are unknown, the following respective probabilities are assigned: 0.28, 0.2, 0.2, 0.13, and 0.19.
Show the probability distribution for the expense forecast.
xf(x)910111213What is the expected value of the expense forecast for the coming year (to 2 decimals)? What is the variance of the expense forecast for the coming year (to 2 decimals)? If income projections for the year are estimated at $12 million, how much profit does the college expect to make (report your answer in millions of dollars, to 2 decimals)?A simple random sample of 700 individuals provides 100 Yes responses.a. What is the point estimate of the proportion of the population that would provide Yes responses (to 2 decimals)? b. What is your estimate of the standard error of the proportion (to 4 decimals)? c. Compute the 95% confidence interval for the population proportion (to 4 decimals).( , )America's young people are heavy Internet users; 87% of Americans ages 12 to 17 are Internet users (The Cincinnati Enquirer, February 7, 2006). MySpace was voted the most popular website by 9% in a sample survey of Internet users in this age group. Suppose 1,600 youths participated in the survey. What is the margin of error, and what is the interval estimate of the population proportion for which MySpace is the most popular website? Use a 95% confidence level and round your answers to 3 decimals. For interval estimate Enter your answer using parentheses and a comma, in the form (n1,n2). Do not use commas in your numerical answer (i.e. use 1200 instead of 1,200, etc.)Margin error =Interval estimate =A sociologist was hired by a large city hospital to investigate the relationship between the number of unauthorized days that employees are absent per year and the distance (miles) between home and work for the employees. A sample of 10 employees was chosen, and the following data were collected.Distance to WorkNumber of Days Absent1734476685102125141144181Which of the following scatter diagrams accurately represents these data?Scatter Diagram #1 Scatter Diagram #2 Scatter Diagram #3 - Select your answer -Scatter diagram #1Scatter diagram #2Scatter diagram #3Item 1Consider the following three scatter diagrams of the residuals against the independent variable. Which of the following accurately represents the data?Scatter Diagram #1 Scatter Diagram #2Scatter Diagram #3 - Select your answer -Scatter diagram #1Scatter diagram #2Scatter diagram #3Item 2 Develop the least squares estimated regression equation (to 3 decimals).Days Absent = + DistanceIs there a significant relationship between the two variables? Use = .05.Compute the value of the F test statistic (to 2 decimals). The p-value is - Select your answer -less than .01between .01 and .025between .025 and .05between .05 and .10greater than .10Item 6 What is your conclusion?- Select your answer -Conclude that there is a significant relationship between days missed and distance from workDo not conclude that there is a significant relationship between days missed and distance from workItem 7 What is the value of r2 (to 3 decimals)? Note: report r2 between 0 and 1. Did the estimated regression equation provide a good fit?- Select your answer -Yes, it provided an exceptionally good fitYes, it provided a reasonably good fitNo, it did not provide an acceptable fitItem 9 Use the estimated regression equation developed in part (c) to develop a 95% confidence interval for the expected number of days absent for employees living 5 miles from the company (to 1 decimal).( , )When a new machine is functioning properly, only 7% of the items produced are defective. Assume that we will randomly select two parts produced on the machine and that we are interested in the number of defective parts found.a. Using the Figure 5.3, select a tree diagram that shows this problem as a two-trial experiment. Here D: defective; G: not defective.1. 2. 3. 4. Choose the Correct option from the above tree diagrams:Select1234Item 1b. How many experimental outcomes result in exactly one defect being found?c. Compute the probabilities associated with finding no defects, exactly one defect, and two defects (to 4 decimals).P (no defects)P (1 defect)P (2 defects)Consider the following hypothesis test:H0: μ ≤ 50Ha: μ > 50A sample of 60 is used and the population standard deviation is 6. Use the critical value approach to state your conclusion for each of the following sample results. Use α = .05. a. With x = 52.5, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50?- Select your answer -YesNoItem 2b. With x = 51, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50?- Select your answer -YesNoItem 4c. With x = 51.8, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50?- Select your answer -YesNoItem 6In San Francisco, 30% of workers take public transportation daily (USA Today, December 21, 2005). In a sample of 7 workers, what is the probability that exactly three workers take public transportation daily (to 4 decimals including interim calculations)? In a sample of 7 workers, what is the probability that at least three workers take public transportation daily (to 4 decimals including interim calculations)?The following data on price ($) and the overall score for 6 stereo headphones that were tested by Consumer Reports were as follows.BrandPriceScoreBose18077Scullcandy16072Koss9567Phillips/O'Neill7058Denon7040JVC3527a. Does the t test indicate a significant relationship between price and the overall score? The test t-Conclusion at α = .05t = (to 2 decimal places.)p-value is - Select your answer -less than .02between .02 and .05between .05 and .1between .1 and .2greater than .2Item 2What is your conclusion? Use α = .05.- Select your answer -There is a significant relationship between price and overall scoreThere is no significant relationship between price and overall scoreItem 3 .b. Test for a significant relationship using the F test. p-value is - Select your answer -less than .01between .01 and .025between .025 and .05between .05 and .1greater than .1Item 4What is your conclusion? Use α = .05.Because p-value is - Select your answer -greater than or equal toless than or equal toequal toItem 5 .05, we - Select your answer -acceptrejectItem 6 H0: β1 is - Select your answer -greater than or equal to zeroless than or equal to zeroequal to zeroItem 7 .c. Show the ANOVA table for these data. Round your answers to three decimal places, if necessary.Source of VariationSum of SquaresDegrees of FreedomMean SquareFp-valueRegression- Select your answer -less than .01between .01 and .025between .025 and .05between .05 and .1greater than .1Item 12ErrorTotal40 mins ago
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Most Popular Content
University of Nevada Percentage of Survivors in Titanic Ship Questions
I’m working on math questions and need guidance to help me learn.
For questions 11-20 use data set Titanic ship
1. What ...
University of Nevada Percentage of Survivors in Titanic Ship Questions
I’m working on math questions and need guidance to help me learn.
For questions 11-20 use data set Titanic ship
1. What is the average age of mothers who gave birth? (round final answer to 2 decimal places)
2. What is the average age of mothers who give birth to sons? (round final answer to 2 decimal places)
3. What is the average age of mothers who give birth to daughters? (round final answer to 2 decimal places)
4. What is the variance of mothers age? (round final answer to 2 decimal places)
5. What is the standard deviation of mothers age? (round final answer to 2 decimal places)
6. What is the average birth weight of newborn babies in grams? (round final answer to 2 decimal places)
7. What is the average birth weight of newborn babies in ounces? (round final answer to 2 decimal places)
8. How many individuals are in this sample?
9. How many mothers drink during pregnancy in this data set?
10. What percentage of babies born were girls? (round final answer to 2 decimal places)
11. If you were travelling with a parent or a child, were you more or less likely to survive? More likely or less likely, which one?
12. Which sex was most likely to survive? Male or Female?
13. If your preference is to be part of the group that survives, would you prefer to be an upper class or lower class passenger on the titanic? upper or Lower?
14. If you are a baby (< 1 year old) are you more or less likely to survive? More likely or less likely, which one?
15. If you are travelling with a sibling or spouse, were you more or less likely to survive?
16. Real data is associated with real decisions of life, death, pain, love, depression, happiness, and rejection. You should always demonstrate respect and, to the extent possible, empathy with your data. Knowing this, what were the first names of the two youngest children who died on the Titanic?
Sydney and Eino?
Alexander and Viljo?
Joseph and Eleanor?
17. How old were the two youngest children who died on the Titanic?
<1, 1, 2, 3 which one?
18. What does S stand for on embarked? Southampton? Salisbury? Sheffield?
19. Which port of embarkation had the highest PERCENTAGE of survivors? Cherbourg? Southampton? Queenstown? Sheffield?
20. If a baby were travelling with just a nanny, should the variable parch be 1 or 0? 0? 1? which one?
21. What is the name of the first track on Adam Young's score, "RMS Titanic"?
http://www.ayoungscores.com/scores/rms-titanic/
Southampton? Captain Edward Smith? Silence? Survivors?
Quality Improvement Proposal
Identify a quality improvement opportunity in your organization or practice. In a 1,250-1,500 word paper, describe the pro ...
Quality Improvement Proposal
Identify a quality improvement opportunity in your organization or practice. In a 1,250-1,500 word paper, describe the problem or issue and propose a quality improvement initiative based on evidence-based practice. Apply "The Road to Evidence-Based Practice" process, illustrated in Chapter 4 of your textbook, to create your proposal.Include the following:Provide an overview of the problem and the setting in which the problem or issue occurs.Explain why a quality improvement initiative is needed in this area and the expected outcome.Discuss how the results of previous research demonstrate support for the quality improvement initiative and its projected outcomes. Include a minimum of three peer-reviewed sources published within the last 5 years, not included in the course materials or textbook, that establish evidence in support of the quality improvement proposed.Discuss steps necessary to implement the quality improvement initiative. Provide evidence and rationale to support your answer.Explain how the quality improvement initiative will be evaluated to determine whether there was improvement.Support your explanation by identifying the variables, hypothesis test, and statistical test that you would need to prove that the quality improvement initiative succeeded.While APA style is not required for the body of this assignment, solid academic writing is expected, and documentation of sources should be presented using APA formatting guidelines, which can be found in the APA Style Guide, located in the Student Success Center.This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.
Hurricane George Tracker Portfolio Worksheet
Meteorologists use
sophisticated models to predict the occurrence, duration, and trajectory of
weather events. They buil ...
Hurricane George Tracker Portfolio Worksheet
Meteorologists use
sophisticated models to predict the occurrence, duration, and trajectory of
weather events. They build their models based on observations that they have
made in the past. By understanding how previous weather events evolved,
meteorologists can apply that knowledge to future weather events.Parametric equations can be
used to graph the path of an object in space. For example, they can be used to
describe the path of a storm moving through an area. In this portfolio, you
will use historical storm data to trace the path of a hurricane. From this
data, you will use parametric equations to model the path of the storm.
Liberty University Math and Statistics Confidence Intervals Worksheet
Project Part 3 - Confidence Intervals
Based on the class sample, you will create a 95% confidence ...
Liberty University Math and Statistics Confidence Intervals Worksheet
Project Part 3 - Confidence Intervals
Based on the class sample, you will create a 95% confidence interval
for the mean age and the proportion of males in the population of all
online college students. Using the same sheet as part 2, answer the
following in the “week 5” tab: For the average age, form a 95% confidence interval:
What distribution should be used?What is the critical value?What is the error bound?What is the lower bound?What is the upper bound? For the proportion of males, form a 95% confidence interval:
What distribution should be used?What is the critical value?What is the error bound?What is the lower bound?What is the upper bound?
2 pages
Qr 2 1 Tech Template Solved
Original Amount New Amount Amount of Change % Change (decimal form) Use formulas to calculate the Amount of Change, % Chan ...
Qr 2 1 Tech Template Solved
Original Amount New Amount Amount of Change % Change (decimal form) Use formulas to calculate the Amount of Change, % Change (decimal form), and
9 Statistics questions
The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gatewa ...
9 Statistics questions
The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airports. The maximum possible rating is 10. Suppose a simple random sample of 50 business travelers is selected and each traveler is asked to provide a rating for the Miami International Airport. The ratings obtained from the sample of 50 business travelers follow.378910101099998567798109876879539101099898610847310898101088Develop a 95% confidence interval estimate of the population mean rating for Miami. Round your answers to two decimal places. Enter your answer using parentheses and a comma, in the form (n1,n2). Do not use commas in your numerical answer (i.e. use 1200 instead of 1,200, etc.)Suppose a random sample of size 53 is selected from a population with σ = 9. Find the value of the standard error of the mean in each of the following cases (use the finite population correction factor if appropriate).
a. The population size is infinite (to 2 decimals).b. The population size is N = 50,000 (to 2 decimals).c. The population size is N = 5000 (to 2 decimals).d. The population size is N = 500 (to 2 decimals).The budgeting process for a midwestern college resulted in expense forecasts for the coming year (in $ millions) of $9, $10, $11, $12, and $13. Because the actual expenses are unknown, the following respective probabilities are assigned: 0.28, 0.2, 0.2, 0.13, and 0.19.
Show the probability distribution for the expense forecast.
xf(x)910111213What is the expected value of the expense forecast for the coming year (to 2 decimals)? What is the variance of the expense forecast for the coming year (to 2 decimals)? If income projections for the year are estimated at $12 million, how much profit does the college expect to make (report your answer in millions of dollars, to 2 decimals)?A simple random sample of 700 individuals provides 100 Yes responses.a. What is the point estimate of the proportion of the population that would provide Yes responses (to 2 decimals)? b. What is your estimate of the standard error of the proportion (to 4 decimals)? c. Compute the 95% confidence interval for the population proportion (to 4 decimals).( , )America's young people are heavy Internet users; 87% of Americans ages 12 to 17 are Internet users (The Cincinnati Enquirer, February 7, 2006). MySpace was voted the most popular website by 9% in a sample survey of Internet users in this age group. Suppose 1,600 youths participated in the survey. What is the margin of error, and what is the interval estimate of the population proportion for which MySpace is the most popular website? Use a 95% confidence level and round your answers to 3 decimals. For interval estimate Enter your answer using parentheses and a comma, in the form (n1,n2). Do not use commas in your numerical answer (i.e. use 1200 instead of 1,200, etc.)Margin error =Interval estimate =A sociologist was hired by a large city hospital to investigate the relationship between the number of unauthorized days that employees are absent per year and the distance (miles) between home and work for the employees. A sample of 10 employees was chosen, and the following data were collected.Distance to WorkNumber of Days Absent1734476685102125141144181Which of the following scatter diagrams accurately represents these data?Scatter Diagram #1 Scatter Diagram #2 Scatter Diagram #3 - Select your answer -Scatter diagram #1Scatter diagram #2Scatter diagram #3Item 1Consider the following three scatter diagrams of the residuals against the independent variable. Which of the following accurately represents the data?Scatter Diagram #1 Scatter Diagram #2Scatter Diagram #3 - Select your answer -Scatter diagram #1Scatter diagram #2Scatter diagram #3Item 2 Develop the least squares estimated regression equation (to 3 decimals).Days Absent = + DistanceIs there a significant relationship between the two variables? Use = .05.Compute the value of the F test statistic (to 2 decimals). The p-value is - Select your answer -less than .01between .01 and .025between .025 and .05between .05 and .10greater than .10Item 6 What is your conclusion?- Select your answer -Conclude that there is a significant relationship between days missed and distance from workDo not conclude that there is a significant relationship between days missed and distance from workItem 7 What is the value of r2 (to 3 decimals)? Note: report r2 between 0 and 1. Did the estimated regression equation provide a good fit?- Select your answer -Yes, it provided an exceptionally good fitYes, it provided a reasonably good fitNo, it did not provide an acceptable fitItem 9 Use the estimated regression equation developed in part (c) to develop a 95% confidence interval for the expected number of days absent for employees living 5 miles from the company (to 1 decimal).( , )When a new machine is functioning properly, only 7% of the items produced are defective. Assume that we will randomly select two parts produced on the machine and that we are interested in the number of defective parts found.a. Using the Figure 5.3, select a tree diagram that shows this problem as a two-trial experiment. Here D: defective; G: not defective.1. 2. 3. 4. Choose the Correct option from the above tree diagrams:Select1234Item 1b. How many experimental outcomes result in exactly one defect being found?c. Compute the probabilities associated with finding no defects, exactly one defect, and two defects (to 4 decimals).P (no defects)P (1 defect)P (2 defects)Consider the following hypothesis test:H0: μ ≤ 50Ha: μ > 50A sample of 60 is used and the population standard deviation is 6. Use the critical value approach to state your conclusion for each of the following sample results. Use α = .05. a. With x = 52.5, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50?- Select your answer -YesNoItem 2b. With x = 51, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50?- Select your answer -YesNoItem 4c. With x = 51.8, what is the value of the test statistic (to 2 decimals)? Can it be concluded that the population mean is greater than 50?- Select your answer -YesNoItem 6In San Francisco, 30% of workers take public transportation daily (USA Today, December 21, 2005). In a sample of 7 workers, what is the probability that exactly three workers take public transportation daily (to 4 decimals including interim calculations)? In a sample of 7 workers, what is the probability that at least three workers take public transportation daily (to 4 decimals including interim calculations)?The following data on price ($) and the overall score for 6 stereo headphones that were tested by Consumer Reports were as follows.BrandPriceScoreBose18077Scullcandy16072Koss9567Phillips/O'Neill7058Denon7040JVC3527a. Does the t test indicate a significant relationship between price and the overall score? The test t-Conclusion at α = .05t = (to 2 decimal places.)p-value is - Select your answer -less than .02between .02 and .05between .05 and .1between .1 and .2greater than .2Item 2What is your conclusion? Use α = .05.- Select your answer -There is a significant relationship between price and overall scoreThere is no significant relationship between price and overall scoreItem 3 .b. Test for a significant relationship using the F test. p-value is - Select your answer -less than .01between .01 and .025between .025 and .05between .05 and .1greater than .1Item 4What is your conclusion? Use α = .05.Because p-value is - Select your answer -greater than or equal toless than or equal toequal toItem 5 .05, we - Select your answer -acceptrejectItem 6 H0: β1 is - Select your answer -greater than or equal to zeroless than or equal to zeroequal to zeroItem 7 .c. Show the ANOVA table for these data. Round your answers to three decimal places, if necessary.Source of VariationSum of SquaresDegrees of FreedomMean SquareFp-valueRegression- Select your answer -less than .01between .01 and .025between .025 and .05between .05 and .1greater than .1Item 12ErrorTotal40 mins ago
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