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Question 2 The University Council in interested in studying the average GPA of students in four different programs at the Global Campus: economics, psychology, accounting, and sociology. A random sample of GPAs of students in those programs at the end of the semester is recorded in the table below. Economics Psychology Accounting Sociology 1.65 2.88 3.17 3.48 3.98 1.99 2.19 1.75 |2.77 3.62 3.29 2.35 3.12 2.88 3.74 2.62 a. Prepare the analysis of variance table manually (Show ALL workings). (9 marks) b. State the null hypothesis(es), the decision rule for a each hypothesis. (4 marks) 0.05 and make the decision for c. Confirm your answer using R-Studio. Provide the code used and relevant output tables. (2 marks) d. Using R-Studio, carry out relevant tests to determine if the assumptions of normality and homogeneity of variance were violated. Carefully discuss your findings quoting relevant statistics in your response and provide the necessary hypotheses. (Provide the code used and relevant output tables.) (4 marks)

Question 2 The University Council in interested in studying the average GPA of students in four different programs at the Global Campus: economics, psychology, accounting, and sociology. A random sample of GPAs of students in those programs at the end of the semester is recorded in the table below. Economics Psychology Accounting Sociology 1.65 2.88 3.17 3.48 3.98 1.99 2.19 1.75 |2.77 3.62 3.29 2.35 3.12 2.88 3.74 2.62 a. Prepare the analysis of variance table manually (Show ALL workings). (9 marks) b. State the null hypothesis(es), the decision rule for a each hypothesis. (4 marks) 0.05 and make the decision for c. Confirm your answer using R-Studio. Provide the code used and relevant output tables. (2 marks) d. Using R-Studio, carry out relevant tests to determine if the assumptions of normality and homogeneity of variance were violated. Carefully discuss your findings quoting relevant statistics in your response and provide the necessary hypotheses. (Provide the code used and relevant output tables.) (4 marks)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question 2 The University Council in interested in studying the average GPA of students in four different programs at the Global Campus: economics, psychology, accounting, and sociology. A random sample of GPAs of students in those programs at the end of the semester is recorded in the table below. Economics Psychology Accounting Sociology 1.65 2.88 3.17 3.48 3.98 1.99 2.19 1.75 |2.77 3.62 3.29 2.35 3.12 2.88 3.74 2.62 a. Prepare the analysis of variance table manually (Show ALL workings). (9 marks) b. State the null hypothesis(es), the decision rule for a each hypothesis. (4 marks) 0.05 and make the decision for c. Confirm your answer using R-Studio. Provide the code used and relevant output tables. (2 marks) d. Using R-Studio, carry out relevant tests to determine if the assumptions of normality and homogeneity of variance were violated. Carefully discuss your findings quoting relevant statistics in your response and provide the necessary hypotheses. (Provide the code used and relevant output tables.) (4 marks)
Transcribed Image Text:Question 2 The University Council in interested in studying the average GPA of students in four different programs at the Global Campus: economics, psychology, accounting, and sociology. A random sample of GPAs of students in those programs at the end of the semester is recorded in the table below. Economics Psychology Accounting Sociology 1.65 2.88 3.17 3.48 3.98 1.99 2.19 1.75 |2.77 3.62 3.29 2.35 3.12 2.88 3.74 2.62 a. Prepare the analysis of variance table manually (Show ALL workings). (9 marks) b. State the null hypothesis(es), the decision rule for a each hypothesis. (4 marks) 0.05 and make the decision for c. Confirm your answer using R-Studio. Provide the code used and relevant output tables. (2 marks) d. Using R-Studio, carry out relevant tests to determine if the assumptions of normality and homogeneity of variance were violated. Carefully discuss your findings quoting relevant statistics in your response and provide the necessary hypotheses. (Provide the code used and relevant output tables.) (4 marks)
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