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 as 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 esults of his study. Complete parts a) through e) below. Click the icon to view the sample data. ]A. The samples are independent. B. The samples can be reasonably assumed to be random. C. The population is given to be normally distributed. OD. The sample sizes are large (both greater than or equal to 30). DE. The sample sizes are not more than 5% of the population. Does the evidence suggest that community college transfer students take longer to attain a bachelor's degree? Use an a= 0.10 level of significance. Perform a hypothesis test. Determine the null and alternative hypotheses. OA. Ho: Hcommunity college Hno transfer, H,: Hoommunity college Hno transfer D B. Ho: Heommunity college Pno transfer H: Hoommunity college Hno transfer OC. Ho: Hcommunity college = Hno transfer, Hq: Hoommunity college Hno transfer Lommunity College Transfer 275 5.38 NO iransrer O D. Ho: Peommunity college =Hono transfer H Hoommunity college Hno transfer etermine the test statistic. 1108 4.40 Sample mean time to graduate, in years Sample standard deviation time to graduate, in years (Round to two decimal places as needed.) 1.163 1.025 etermine the P-value. value = (Round to three decimal places as needed.) hould the hypothesis be rejected? | the null hypothesis. The evidence | suggest that community college transfer students take longer to attain a bachelor's degree at the a =0.10 level of significance. a) Construct a 95% confidence interval for Heommunty colege " Hno transter 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 fromO toO (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? O 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 his research as 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 esults of his study. Complete parts a) through e) below. Click the icon to view the sample data. ]A. The samples are independent. B. The samples can be reasonably assumed to be random. C. The population is given to be normally distributed. OD. The sample sizes are large (both greater than or equal to 30). DE. The sample sizes are not more than 5% of the population. Does the evidence suggest that community college transfer students take longer to attain a bachelor's degree? Use an a= 0.10 level of significance. Perform a hypothesis test. Determine the null and alternative hypotheses. OA. Ho: Hcommunity college Hno transfer, H,: Hoommunity college Hno transfer D B. Ho: Heommunity college Pno transfer H: Hoommunity college Hno transfer OC. Ho: Hcommunity college = Hno transfer, Hq: Hoommunity college Hno transfer Lommunity College Transfer 275 5.38 NO iransrer O D. Ho: Peommunity college =Hono transfer H Hoommunity college Hno transfer etermine the test statistic. 1108 4.40 Sample mean time to graduate, in years Sample standard deviation time to graduate, in years (Round to two decimal places as needed.) 1.163 1.025 etermine the P-value. value = (Round to three decimal places as needed.) hould the hypothesis be rejected? | the null hypothesis. The evidence | suggest that community college transfer students take longer to attain a bachelor's degree at the a =0.10 level of significance. a) Construct a 95% confidence interval for Heommunty colege " Hno transter 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 fromO toO (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? O Yes O No
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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