Question: Remaining Time: 20 minutes, 53 seconds. . Question Completion Status: 10 26 3 41 5 6 7 8 95 106 11 12 13 14 150





Remaining Time: 20 minutes, 53 seconds. . Question Completion Status: 10 26 3 41 5 6 7 8 95 106 11 12 13 14 150 160 17 18 QUESTION 11 Suppose a certain university's college of engineering obtained the following results on the annual salaries of a recent graduating class: Computer Science graduates and Chemical Engineering graduates, Formulate hypotheses so that, if the null hypothesis is rejected, we can conclude that the salaries for Computer Science graduates are significantly higher than those of Chemical Engineering graduates. Use alpha = 0.01. (Let mul = the population mean salary for Computer Science graduates, and muz - the population mean salary for Chemical Engineering graduates.) O Ho: mul - muz >= 0, Ha: mul - muz >= 0, Ha: mu1 - mu2 0* Question Completion Status: 100 11 12 13 14 150 160 17 18 10 30 5 6 7 QUESTION 12 What is the value of the test statistic? (Use mu2 - mu1. Round your answer to two decimal places.) None of the other answers O -0.23 O 10.94 O 1.85 O 2.25 OO Click Save and Submit to save and submit. Click Save All Answers to save all answers.Question Completion Status: 20 5 6 7 100 11 12 13 14 151 1 6L 17 18 QUESTION 13 Calculate the p-value. Use degrees of freedom = 90. (Round your answer to four decimal places.) 0.0000 O 0.0124 0.1020 O 0.0208 O 0.0271 O None of the other answers Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All AngRemaining Time: 20 minutes, 13 seconds. Question Completion Status: 5 6 7 106 11 12 13 14 17 18 QUESTION 14 What is your conclusion? O Reject Ho. We cannot conclude that salaries for Computer Science graduates are significantly different from the salaries of Chemical Engineering graduates. O Do not reject Ho. We cannot conclude that salaries for Computer Science graduates are significantly different from the salaries of Chemical Engineering graduates. O Reject Ho. We can conclude that salaries for Computer Science graduates are significantly different from the salaries of Chemical Engineering graduates. O Do not reject Ho. We can conclude that salaries for Computer Science graduates are significantly different from the salaries of Chemical Engineering graduates. Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Antics Save and Submit 5
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