another question I just cant seem to get this
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( -5/6 ) divided by ( 14/15 ) = ?
I am using the method of flip and multiply 14/15=15/14 and I am getting an answer of 180/88 or 2 and 1/22. What am I doing wrong?
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BUS 311 Lynn Discount Rate Is Equal to The Current Treasury Rate in The US Ques
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You are the sport agent for a rising basketball star just drafted in the first round. Your client has two offers on the table option$90 million dollars over 5 years or option $30 million signing bonus and 40 million over the next 3 yrs.What is the present value of each option in today's money? What is the future value of each option? What option do you recommend? How does the time value of money impact your decision?
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For this discussion, you will have the opportunity to create your own relationship graph. Use the illustration tools in Microsoft Word to make the graph. It can be a graph of your friendship network, or professional connections, or it can depict some other relationship that you find interesting.Your graph should have at least six vertices. You should clearly label what the vertices are as well as explain the significance of their connection. For example: the vertices in the above graph are different actors/actresses, and they are connected by an edge if they have acted in the same movie together.For your initial post, upload a copy of your graph and summarize what you discovered from this exercise. What insights did you gain from the graph?
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
Business Analytics
In this assignment, you will be assessed based on the following outcome: GB513-3: Predict business results by using quanti ...
Business Analytics
In this assignment, you will be assessed based on the following outcome: GB513-3: Predict business results by using quantitative methods. Make sure to use the Unit 4 Assignment template to turn in your answers. This assignment requires you to use Excel in all three questions. Make sure you explain your answers and provide the regression output tables for Questions 1 and 2 as you are showing work in the template (see attached). You still need to submit the Excel file you used to generate your answers, in addition to the report in Word. Failure to submit the Excel file will result in a 20 point deduction.Question 1 Shown below are rental and leasing revenue figures for office machinery and equipment in the United States over a 7-year period according to the U.S. Census Bureau. Use this data and the regression tool in the data analysis tool pack to run a linear regression. Based on the formula you get from the regression output, answer the following questions: a)What is the forecast for the rental and leasing revenue for the year 2011? b)How confident are you in this forecast? Explain your answer by citing the relevant metrics. Do not just put down a number without explanation.Year Rental and Leasing ($ millions) 2004 5,8602005 6,6322006 6,5432007 5,9522008 5,7322009 5,4232010 4,589Question 2 Suppose a researcher gathered survey data from 19 employees and asked the employees to rate their job satisfaction on a scale from 0 to 100 (with 100 being perfectly satisfied). Suppose the following data represent the results of this survey. Assume that relationship with their supervisor is rated on a scale from 0 to 50 (0 represents a poor relationship and 50 represents an excellent relationship); overall quality of the work environment is rated on a scale from 0 to 100 (0 represents poor work environment and 100 represents an excellent work environment); and opportunities for advancement is rated on a scale from 0 to 100 (0 represents no opportunities and 100 represents excellent opportunities). Answer the following questions: a)What is the regression formula based on the results from your regression? b)How reliable do you think the estimates will be based on this formula? Explain your answer by citing the relevant metrics. Do not just put down a number without explanation.c)Are there any variables that do not appear to be good predictors of job satisfaction? How can you tell? d)If a new employee reports that her relationship with her supervisor is 40, rates her opportunities for advancement to be at 30, finds the quality of the work environment to be at 75, and works 60 hours per week, what would you expect her job satisfaction score to be? Job satisfaction Relationship with supervisor Opportunities for advancement Overall quality of work environment Total hours worked per week 55 27 42 50 52 20 35 28 60 60 85 40 7 45 42 65 35 48 65 53 45 29 32 40 58 70 42 41 50 48 35 22 18 75 55 60 34 32 40 50 95 40 48 45 40 65 33 11 60 38 85 38 33 55 47 10 5 21 50 62 75 37 42 45 43 80 37 46 40 42 50 31 48 60 46 90 42 30 55 38 75 36 39 70 43 45 20 22 40 42 65 32 12 55 53 Question 3 Investment analysts generally believe the interest rate on bonds is related to the prime interest rate for loans. Run a simple linear regression using the data analysis tool pack. Do you think the bond rate can be predicted by the prime interest rate? Justify your answer using the relevant metrics. Prime interest rateBond rate0.050.280.120.380.090.220.0150.140.0040.050.110.440.060.280.020.105 Directions for submitting your Assignment Make sure to use the Unit 4 Assignment template from Course Documents when you turn in your answers. Submit your assignment to the Unit 4 Dropbox.In all assignments, your answers must be justified by referencing the appropriate figures, metrics and charts. Your work is evaluated on this justification that demonstrates your understanding of the concepts. Just putting down the correct response without justification is not sufficient. Grading Rubric Your assignment will be graded based on the following breakdown. Unit 4 AssignmentCriteriaPoints PossiblePoints EarnedQuestion 1a2011 forecast for rental and leasing revenue is accurate. 6 Question 1bAppropriate analysis of the reliability of forecast based on this formula. 6 Question 2aCorrect regression formula. 5 Question 2bAppropriate analysis of the reliability of estimates based on this formula. 5 Question 2cAppropriate analysis of whether there are any variables that do not appear to be good predictors. 5 Question 2dCorrect expected job satisfaction score. 5 Question 3aConstructed a scatter graph and included a regression line. 6 Question 3bAppropriate analysis of whether a bond rate could be predicted by the prime interest rate. 7 Properly completed assignment template. 5 Total50
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5 pages
Roller Coaster.edited
A roller coaster is a raised railway with sharp descents and slopes that conveys a train of passengers through piercing cu ...
Roller Coaster.edited
A roller coaster is a raised railway with sharp descents and slopes that conveys a train of passengers through piercing curves and abrupt changes of ...
BUS 311 Lynn Discount Rate Is Equal to The Current Treasury Rate in The US Ques
You are the sport agent for a rising basketball star just drafted in the first round. Your client has two offers on the ta ...
BUS 311 Lynn Discount Rate Is Equal to The Current Treasury Rate in The US Ques
You are the sport agent for a rising basketball star just drafted in the first round. Your client has two offers on the table option$90 million dollars over 5 years or option $30 million signing bonus and 40 million over the next 3 yrs.What is the present value of each option in today's money? What is the future value of each option? What option do you recommend? How does the time value of money impact your decision?
Relationship Graph
For this discussion, you will have the opportunity to create your own relationship graph. Use the illustration tools in Mi ...
Relationship Graph
For this discussion, you will have the opportunity to create your own relationship graph. Use the illustration tools in Microsoft Word to make the graph. It can be a graph of your friendship network, or professional connections, or it can depict some other relationship that you find interesting.Your graph should have at least six vertices. You should clearly label what the vertices are as well as explain the significance of their connection. For example: the vertices in the above graph are different actors/actresses, and they are connected by an edge if they have acted in the same movie together.For your initial post, upload a copy of your graph and summarize what you discovered from this exercise. What insights did you gain from the graph?
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
Business Analytics
In this assignment, you will be assessed based on the following outcome: GB513-3: Predict business results by using quanti ...
Business Analytics
In this assignment, you will be assessed based on the following outcome: GB513-3: Predict business results by using quantitative methods. Make sure to use the Unit 4 Assignment template to turn in your answers. This assignment requires you to use Excel in all three questions. Make sure you explain your answers and provide the regression output tables for Questions 1 and 2 as you are showing work in the template (see attached). You still need to submit the Excel file you used to generate your answers, in addition to the report in Word. Failure to submit the Excel file will result in a 20 point deduction.Question 1 Shown below are rental and leasing revenue figures for office machinery and equipment in the United States over a 7-year period according to the U.S. Census Bureau. Use this data and the regression tool in the data analysis tool pack to run a linear regression. Based on the formula you get from the regression output, answer the following questions: a)What is the forecast for the rental and leasing revenue for the year 2011? b)How confident are you in this forecast? Explain your answer by citing the relevant metrics. Do not just put down a number without explanation.Year Rental and Leasing ($ millions) 2004 5,8602005 6,6322006 6,5432007 5,9522008 5,7322009 5,4232010 4,589Question 2 Suppose a researcher gathered survey data from 19 employees and asked the employees to rate their job satisfaction on a scale from 0 to 100 (with 100 being perfectly satisfied). Suppose the following data represent the results of this survey. Assume that relationship with their supervisor is rated on a scale from 0 to 50 (0 represents a poor relationship and 50 represents an excellent relationship); overall quality of the work environment is rated on a scale from 0 to 100 (0 represents poor work environment and 100 represents an excellent work environment); and opportunities for advancement is rated on a scale from 0 to 100 (0 represents no opportunities and 100 represents excellent opportunities). Answer the following questions: a)What is the regression formula based on the results from your regression? b)How reliable do you think the estimates will be based on this formula? Explain your answer by citing the relevant metrics. Do not just put down a number without explanation.c)Are there any variables that do not appear to be good predictors of job satisfaction? How can you tell? d)If a new employee reports that her relationship with her supervisor is 40, rates her opportunities for advancement to be at 30, finds the quality of the work environment to be at 75, and works 60 hours per week, what would you expect her job satisfaction score to be? Job satisfaction Relationship with supervisor Opportunities for advancement Overall quality of work environment Total hours worked per week 55 27 42 50 52 20 35 28 60 60 85 40 7 45 42 65 35 48 65 53 45 29 32 40 58 70 42 41 50 48 35 22 18 75 55 60 34 32 40 50 95 40 48 45 40 65 33 11 60 38 85 38 33 55 47 10 5 21 50 62 75 37 42 45 43 80 37 46 40 42 50 31 48 60 46 90 42 30 55 38 75 36 39 70 43 45 20 22 40 42 65 32 12 55 53 Question 3 Investment analysts generally believe the interest rate on bonds is related to the prime interest rate for loans. Run a simple linear regression using the data analysis tool pack. Do you think the bond rate can be predicted by the prime interest rate? Justify your answer using the relevant metrics. Prime interest rateBond rate0.050.280.120.380.090.220.0150.140.0040.050.110.440.060.280.020.105 Directions for submitting your Assignment Make sure to use the Unit 4 Assignment template from Course Documents when you turn in your answers. Submit your assignment to the Unit 4 Dropbox.In all assignments, your answers must be justified by referencing the appropriate figures, metrics and charts. Your work is evaluated on this justification that demonstrates your understanding of the concepts. Just putting down the correct response without justification is not sufficient. Grading Rubric Your assignment will be graded based on the following breakdown. Unit 4 AssignmentCriteriaPoints PossiblePoints EarnedQuestion 1a2011 forecast for rental and leasing revenue is accurate. 6 Question 1bAppropriate analysis of the reliability of forecast based on this formula. 6 Question 2aCorrect regression formula. 5 Question 2bAppropriate analysis of the reliability of estimates based on this formula. 5 Question 2cAppropriate analysis of whether there are any variables that do not appear to be good predictors. 5 Question 2dCorrect expected job satisfaction score. 5 Question 3aConstructed a scatter graph and included a regression line. 6 Question 3bAppropriate analysis of whether a bond rate could be predicted by the prime interest rate. 7 Properly completed assignment template. 5 Total50
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