7. Inference review, problem 7 Aa Aa A professor in the school of business wants

Question

7. Inference review, problem 7 Aa Aa A professor in the school of business wants to investigate the prices of new textbooks at two different bookstores: IUT and BIS. The professor randomly chooses the required texts from 33 business school courses (same books at each store). In order to test the claim that the average prices at the two bookstores are different, suppose you have calculated the p-value of this test to be.056. Use a significance level of .05. Which of the following are true for this test? Select all that apply. Ho: The mean at IUT is smaller than the mean at BIS; HI: The means are the same. Ho: The means are the same, HI: The means are different. Do not reject Ho, implying that there is significant evidence to suggest that the average prices at the two stores are different. The test statistic is a t-statistic with 33 degrees of freedom. Ho: The means are different, HI: The means are the same. The test statistic is a t-statistic with 32 degrees of freedom Do not reject Ho, implying that there is insufficient evidence to suggest that the average prices at the two stores are different. Reject Ho, implying that there is significant evidence to suggest that the average prices at the two stores are different. Reject Ho, implying that there is insufficient evidence to suggest that the average prices at the two stores are different. Ho: The mean at IUT is larger than the mean at BIS; H1: The means are the same. The test statistic is a z-statistic with 33 degrees of freedom. The test statistic is a z-statistic with 32 degrees of freedom.

Explanation / Answer

Option-B, F, G are the correct answer.

  

  

  

  

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