Can you explain how to do this problem
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(3x+1/2)+(7x-41/2)
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Group Statistics and Independent Samples Test Project
For this assignment you will complete two separate investigations: one that uses an independent and one that uses a depend ...
Group Statistics and Independent Samples Test Project
For this assignment you will complete two separate investigations: one that uses an independent and one that uses a dependent/paired t-tests. T-testsA teacher is interested in knowing whether different students in her class have different levels of statistics knowledge at the beginning of the course and whether they gain knowledge in statistics over the course of her class. She administered a survey to all of her students asking whether they are pursuing a masters degree or Ph.D. (“Degree”) and entered that information along with their scores on a statistics pre-test (“PreTest”). At the end of the course, she administered the same test again and entered their scores (“PostTest”).For this assignment use StatPrePost.savAnswer questions 1-3 for each of the following two scenarios: Scenario 1: Is there a statistically significant difference between masters degree students and Ph.D. students in terms of statistics knowledge at the beginning of the course?Scenario 2: Is there a statistically significant difference between students’ statistics knowledge at the beginning and the end of the course?Report whether an independent samples or dependent/paired samples t-test should be used.Run the appropriate t-test (include Levene's test for homogeneity of variances for the independent t-test). Report the obtained t value, degrees of freedom (df), and significance level (p-value) for this t-test? If the Levene's test was run, report test statistic and significance level (p-value) for this test.What conclusion should the investigator draw on the basis of this test with regard to the null hypothesis if the alpha is set at .05?Submit your answers to #1-3 in a Word document. Use a page break to separate the independent and dependent t-test sections and label each section accordingly. Please upload your file to Blackboard using the Attach File option.
Assignment: Evaluating Significance of Findings
For this Assignment, you will examine statistical significance and meaningfulness based on sample statements.To prepare fo ...
Assignment: Evaluating Significance of Findings
For this Assignment, you will examine statistical significance and meaningfulness based on sample statements.To prepare for this Assignment:Review the Week 5 Scenarios found in this week’s Learning Resources and select two of the four scenarios for this Assignment. For additional support, review the Skill Builder: Evaluating P Values and the Skill Builder: Statistical Power, which you can find by navigating back to your Blackboard Course Home Page. From there, locate the Skill Builder link in the left navigation pane.For this Assignment:Critically evaluate the two scenarios you selected based upon the following points:Critically evaluate the sample size.Critically evaluate the statements for meaningfulness.Critically evaluate the statements for statistical significance.Based on your evaluation, provide an explanation of the implications for social change.
Ashford University Statistics Questions Paper
you may need to use stata program C-64it is only 15 questions I attached you the lectures to review as well
Ashford University Statistics Questions Paper
you may need to use stata program C-64it is only 15 questions I attached you the lectures to review as well
Sampling and Error Algebra Quiz, algebra homework help
1. Which of the following situations would not produce an unbiased random sample?a. Send a survey to students at an online ...
Sampling and Error Algebra Quiz, algebra homework help
1. Which of the following situations would not produce an unbiased random sample?a. Send a survey to students at an online private high school to find out how many students use the computer to do school work.b. Asking every twentieth person on a list of registered voters to determine which political candidate is favored.c. Ask every tenth person in 12th grade at Jacaranda high school to find out the favorite TV show for seniors at that school.d. Survey 2 teachers in each subject at Bluefort High School to find out how many had graduate degrees.2. Which of the following situations could be used to produce an unbiased random sample?a. Surveying students in a college psychology class to find out preferred majors of students at that school.b. Asking people at the local supermarket
what their favorite brand of ice cream is to find out what the preferred
brand of ice cream is in that city.c. Survey every tenth audience member leaving the American Country Music Awards and ask what their favorite type of music is. d. Finding the heights of all 9th grade
female students at a high school and using it to determine the average
height of all girls at the school.3. Find the margin of error if p = 71% and n = 100. Round to four decimal places.a. 0.2204b. 0.0041c. 0.0848d. 0.09084. Find the margin of error if p = 65% and n = 500. Round to four decimal places.a. 0.0427b. 0.0926c. 0.0009d. 0.04145. A
poll asked people to name the most serious problem facing the country.
forty-three percent of the 900 randomly selected people said crime. What
is the margin of error? Round to four decimal places.a. 0.0165b. 0.0330c. 0.0261d. 0.05236. According
to a recent poll, 40% of shoppers planned to spend $1000 or more during
a holiday season. The margin of error was 4%. How many people were
surveyed?a. 600b. 38c. 1400d. 10007. One hundred people were
asked whether they would vote for Candidate A or Candidate B in an
upcoming election. More people said they would vote for Candidate A. How
many said they would vote for Candidate A if the margin of error was
8.4%.a. 92%b. 8%c. 77%d. 23%8. Five-hundred
ten of 650 high school students said that pizza was their favorite food
in the school cafeteria. What is the margin of error? Round to four
decimal places.a. 0.0005b. 0.0003c. 0.0161d. 0.03229. Complete the sentence with the best answer.When p stays the same but the sample size increases, the Margin of Error ___?___.a. increasesb. decreasesc. stays the samed. all of the above.10. In
a recent survey 45% of students at a local high school said they love
chocolate ice cream. If the margin of error was 4.3%, about how many
students were surveyed?a. 973 studentsb. 535 studentsc. 133 studentsd. 243 students
STAT Data Analysis Assignment 3
STAT 250 Spring 2019 Data Analysis Assignment 3Your submitted document should include the following items. Points will be ...
STAT Data Analysis Assignment 3
STAT 250 Spring 2019 Data Analysis Assignment 3Your submitted document should include the following items. Points will be deducted if the following are not included.Type your Name and STAT 250 with your correct section number (e.g. STAT 250-xxx) right justified and then Data Analysis Assignment #2 centered on the top of page 1 below your name the begin your document.Number your pages across your entire solutions document.Your document should include the ANSWERS ONLY with each answer labeled by its corresponding number and subpart. Keep the answers in order. Do not include the questions in your submitted document.Generate all requested graphs and tables using StatCrunch.Upload your document onto Blackboard as a Word (docx) file or pdf file using the link provided by your instructor. It is your responsibility for uploading a readable file.Full assignment Instructions, as well as a example is attached as a word file.Access to StatCrunch is required.https://www.statcrunch.com/5.0/group.php?groupid=7...I will provide the login info...Extra Notes:- Each graph title should start with "Distribution of.."- For the questions that require calculation, you can do it on a paper but would have to type the solution into word document.
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Most Popular Content
Group Statistics and Independent Samples Test Project
For this assignment you will complete two separate investigations: one that uses an independent and one that uses a depend ...
Group Statistics and Independent Samples Test Project
For this assignment you will complete two separate investigations: one that uses an independent and one that uses a dependent/paired t-tests. T-testsA teacher is interested in knowing whether different students in her class have different levels of statistics knowledge at the beginning of the course and whether they gain knowledge in statistics over the course of her class. She administered a survey to all of her students asking whether they are pursuing a masters degree or Ph.D. (“Degree”) and entered that information along with their scores on a statistics pre-test (“PreTest”). At the end of the course, she administered the same test again and entered their scores (“PostTest”).For this assignment use StatPrePost.savAnswer questions 1-3 for each of the following two scenarios: Scenario 1: Is there a statistically significant difference between masters degree students and Ph.D. students in terms of statistics knowledge at the beginning of the course?Scenario 2: Is there a statistically significant difference between students’ statistics knowledge at the beginning and the end of the course?Report whether an independent samples or dependent/paired samples t-test should be used.Run the appropriate t-test (include Levene's test for homogeneity of variances for the independent t-test). Report the obtained t value, degrees of freedom (df), and significance level (p-value) for this t-test? If the Levene's test was run, report test statistic and significance level (p-value) for this test.What conclusion should the investigator draw on the basis of this test with regard to the null hypothesis if the alpha is set at .05?Submit your answers to #1-3 in a Word document. Use a page break to separate the independent and dependent t-test sections and label each section accordingly. Please upload your file to Blackboard using the Attach File option.
Assignment: Evaluating Significance of Findings
For this Assignment, you will examine statistical significance and meaningfulness based on sample statements.To prepare fo ...
Assignment: Evaluating Significance of Findings
For this Assignment, you will examine statistical significance and meaningfulness based on sample statements.To prepare for this Assignment:Review the Week 5 Scenarios found in this week’s Learning Resources and select two of the four scenarios for this Assignment. For additional support, review the Skill Builder: Evaluating P Values and the Skill Builder: Statistical Power, which you can find by navigating back to your Blackboard Course Home Page. From there, locate the Skill Builder link in the left navigation pane.For this Assignment:Critically evaluate the two scenarios you selected based upon the following points:Critically evaluate the sample size.Critically evaluate the statements for meaningfulness.Critically evaluate the statements for statistical significance.Based on your evaluation, provide an explanation of the implications for social change.
Ashford University Statistics Questions Paper
you may need to use stata program C-64it is only 15 questions I attached you the lectures to review as well
Ashford University Statistics Questions Paper
you may need to use stata program C-64it is only 15 questions I attached you the lectures to review as well
Sampling and Error Algebra Quiz, algebra homework help
1. Which of the following situations would not produce an unbiased random sample?a. Send a survey to students at an online ...
Sampling and Error Algebra Quiz, algebra homework help
1. Which of the following situations would not produce an unbiased random sample?a. Send a survey to students at an online private high school to find out how many students use the computer to do school work.b. Asking every twentieth person on a list of registered voters to determine which political candidate is favored.c. Ask every tenth person in 12th grade at Jacaranda high school to find out the favorite TV show for seniors at that school.d. Survey 2 teachers in each subject at Bluefort High School to find out how many had graduate degrees.2. Which of the following situations could be used to produce an unbiased random sample?a. Surveying students in a college psychology class to find out preferred majors of students at that school.b. Asking people at the local supermarket
what their favorite brand of ice cream is to find out what the preferred
brand of ice cream is in that city.c. Survey every tenth audience member leaving the American Country Music Awards and ask what their favorite type of music is. d. Finding the heights of all 9th grade
female students at a high school and using it to determine the average
height of all girls at the school.3. Find the margin of error if p = 71% and n = 100. Round to four decimal places.a. 0.2204b. 0.0041c. 0.0848d. 0.09084. Find the margin of error if p = 65% and n = 500. Round to four decimal places.a. 0.0427b. 0.0926c. 0.0009d. 0.04145. A
poll asked people to name the most serious problem facing the country.
forty-three percent of the 900 randomly selected people said crime. What
is the margin of error? Round to four decimal places.a. 0.0165b. 0.0330c. 0.0261d. 0.05236. According
to a recent poll, 40% of shoppers planned to spend $1000 or more during
a holiday season. The margin of error was 4%. How many people were
surveyed?a. 600b. 38c. 1400d. 10007. One hundred people were
asked whether they would vote for Candidate A or Candidate B in an
upcoming election. More people said they would vote for Candidate A. How
many said they would vote for Candidate A if the margin of error was
8.4%.a. 92%b. 8%c. 77%d. 23%8. Five-hundred
ten of 650 high school students said that pizza was their favorite food
in the school cafeteria. What is the margin of error? Round to four
decimal places.a. 0.0005b. 0.0003c. 0.0161d. 0.03229. Complete the sentence with the best answer.When p stays the same but the sample size increases, the Margin of Error ___?___.a. increasesb. decreasesc. stays the samed. all of the above.10. In
a recent survey 45% of students at a local high school said they love
chocolate ice cream. If the margin of error was 4.3%, about how many
students were surveyed?a. 973 studentsb. 535 studentsc. 133 studentsd. 243 students
STAT Data Analysis Assignment 3
STAT 250 Spring 2019 Data Analysis Assignment 3Your submitted document should include the following items. Points will be ...
STAT Data Analysis Assignment 3
STAT 250 Spring 2019 Data Analysis Assignment 3Your submitted document should include the following items. Points will be deducted if the following are not included.Type your Name and STAT 250 with your correct section number (e.g. STAT 250-xxx) right justified and then Data Analysis Assignment #2 centered on the top of page 1 below your name the begin your document.Number your pages across your entire solutions document.Your document should include the ANSWERS ONLY with each answer labeled by its corresponding number and subpart. Keep the answers in order. Do not include the questions in your submitted document.Generate all requested graphs and tables using StatCrunch.Upload your document onto Blackboard as a Word (docx) file or pdf file using the link provided by your instructor. It is your responsibility for uploading a readable file.Full assignment Instructions, as well as a example is attached as a word file.Access to StatCrunch is required.https://www.statcrunch.com/5.0/group.php?groupid=7...I will provide the login info...Extra Notes:- Each graph title should start with "Distribution of.."- For the questions that require calculation, you can do it on a paper but would have to type the solution into word document.
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