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researcher with the Department of Education followed a cohort of students who graduated from high school in a certain year, monitoring the progress the students made toward completing a bachelor's degree. One aspect of is research was to determine whether students who first attended community college took longer to attain a bachelor's degree than those who immediately attended and remained at a 4-year institution. The data in the table ttached below summarize the results of his study. Complete parts a) through e) below. m Click the icon to view the sample data. DC. Ho: Hcommunity college Hno transfer H: Hcommunity college > Pno transfer O D. Ho: Hcommunity college Hno transfer. H1: Poommunity college Hno transfer Determine the test statistic. = 14.90 (Round to two decimal places as needed.) Determine the P-value. value = 0.000 (Round to three decimal places as needed.) should the hypothesis be rejected? Reject the null hypothesis. The evidence does suggest that community college transfer students take longer to attain a bachelor's degree at the a = 0.05 level of significance. ) Construct a 90% confidence interval for Hcommuunity college - Hno transfer to approximate the mean additional time it takes to complete a bachelor's degree if you begin in community college. he confidence interval is the range from to Round to three decimal places as needed.) ) Do the results of parts c) and d) imply that community college causes you to take extra time to earn a bachelor's degree? D Yes O No

researcher with the Department of Education followed a cohort of students who graduated from high school in a certain year, monitoring the progress the students made toward completing a bachelor's degree. One aspect of is research was to determine whether students who first attended community college took longer to attain a bachelor's degree than those who immediately attended and remained at a 4-year institution. The data in the table ttached below summarize the results of his study. Complete parts a) through e) below. m Click the icon to view the sample data. DC. Ho: Hcommunity college Hno transfer H: Hcommunity college > Pno transfer O D. Ho: Hcommunity college Hno transfer. H1: Poommunity college Hno transfer Determine the test statistic. = 14.90 (Round to two decimal places as needed.) Determine the P-value. value = 0.000 (Round to three decimal places as needed.) should the hypothesis be rejected? Reject the null hypothesis. The evidence does suggest that community college transfer students take longer to attain a bachelor's degree at the a = 0.05 level of significance. ) Construct a 90% confidence interval for Hcommuunity college - Hno transfer to approximate the mean additional time it takes to complete a bachelor's degree if you begin in community college. he confidence interval is the range from to Round to three decimal places as needed.) ) Do the results of parts c) and d) imply that community college causes you to take extra time to earn a bachelor's degree? D Yes O No

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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A researcher with the Department of Education followed a cohort of students who graduated from high school in a certain year, monitoring the progress the students made toward completing a bachelor's degree. One aspect of his research was to determine whether students who first attended community college took longer to attain a bachelor's degree than those who immediately attended and remained at a 4-year institution. The data in the table attached below summarize the results of his study. Complete parts a) through e) below. Click the icon to view the sample data. ..... C. Ho: Hcommunity college <Hno transfer H1: Pcommunity college > Hno transfer D. Ho: Hoommunity college = Hno transfer H1: Pcommunity college Hno transfer Determine the test statistic. t= 14.90 (Round to two decimal places as needed.) Determine the P-value. P-value = 0.000 (Round to three decimal places as needed.) Should the hypothesis be rejected? Reject the null hypothesis. The evidence does suggest that community college transfer students take longer to attain a bachelor's degree at the a = 0.05 level of significance. d) Construct a 90% confidence interval for Hcommunity college - Hno transfer to approximate the mean additional time it takes to complete a bachelor's degree if you begin in community college. The confidence interval is the range from to (Round to three decimal places as needed.) e) Do the results of parts c) and d) imply that community college causes you to take extra time to earn a bachelor's degree? Yes No
Transcribed Image Text:A researcher with the Department of Education followed a cohort of students who graduated from high school in a certain year, monitoring the progress the students made toward completing a bachelor's degree. One aspect of his research was to determine whether students who first attended community college took longer to attain a bachelor's degree than those who immediately attended and remained at a 4-year institution. The data in the table attached below summarize the results of his study. Complete parts a) through e) below. Click the icon to view the sample data. ..... C. Ho: Hcommunity college <Hno transfer H1: Pcommunity college > Hno transfer D. Ho: Hoommunity college = Hno transfer H1: Pcommunity college Hno transfer Determine the test statistic. t= 14.90 (Round to two decimal places as needed.) Determine the P-value. P-value = 0.000 (Round to three decimal places as needed.) Should the hypothesis be rejected? Reject the null hypothesis. The evidence does suggest that community college transfer students take longer to attain a bachelor's degree at the a = 0.05 level of significance. d) Construct a 90% confidence interval for Hcommunity college - Hno transfer to approximate the mean additional time it takes to complete a bachelor's degree if you begin in community college. The confidence interval is the range from to (Round to three decimal places as needed.) e) Do the results of parts c) and d) imply that community college causes you to take extra time to earn a bachelor's degree? Yes No
Sample data No Transfer Community College Transfer 270 1152 Sample mean time to graduate, in years Sample standard deviation time to 5.46 4.41 1.131 1.013 graduate, in years Print Done
Transcribed Image Text:Sample data No Transfer Community College Transfer 270 1152 Sample mean time to graduate, in years Sample standard deviation time to 5.46 4.41 1.131 1.013 graduate, in years Print Done
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