Question

Has the ease of removing your name from an e-mail list changed? A study of 100 large online retailers revealed the following:(TABLE CANT COPY) a. Set up the null and alternative hypotheses to try to determine whether the effort it takes to be removed from an e-mail list has changed. b. Conduct the hypothesis test defined in (a), using the 0.05 level of significance. c. Why shouldn't you compare the results in (a) to those of Problem 10.30 (b) on page 391 ?

   Has the ease of removing your name from an e-mail list changed? A study of 100 large online retailers revealed the following:(TABLE CANT COPY)
a. Set up the null and alternative hypotheses to try to determine whether the effort it takes to be removed from an e-mail list has changed.
b. Conduct the hypothesis test defined in (a), using the 0.05 level of significance.
c. Why shouldn't you compare the results in (a) to those of Problem 10.30 (b) on page 391 ?

Basic Business Statistics: Concepts and Applications

Mark L. Berenson,… 12th Edition

Chapter 12, Problem 6

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Step 1

The null hypothesis (\(H_0\)) states that there is no change in the effort it takes to be removed from an e-mail list. The alternative hypothesis (\(H_a\)) states that there has been a change in the effort it takes to be removed from an e-mail list. \[ H_0: Show more…

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Has the ease of removing your name from an e-mail list changed? A study of 100 large online retailers revealed the following:(TABLE CANT COPY) a. Set up the null and alternative hypotheses to try to determine whether the effort it takes to be removed from an e-mail list has changed. b. Conduct the hypothesis test defined in (a), using the 0.05 level of significance. c. Why shouldn't you compare the results in (a) to those of Problem 10.30 (b) on page 391 ?

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