Possible answers : Reject H0. At the 5% significance level, the test results are not statistically significant and at best, provide weak evidence against the null hypothesis. Reject H0. At the 5%...


Possible answers :




Reject H0. At the 5% significance level, the test results are not statistically significant and at best, provide weak evidence against the null hypothesis.






Reject H0. At the 5% significance level, the data provide sufficient evidence to conclude that the mean likes per hour of their ad is not equal to 7 likes.







Do not reject H0. At the 5% significance level, the test results are not statistically significant and at best, provide weak evidence against the null hypothesis.







Do not reject H0. At the 5% significance level, the data provide sufficient evidence to conclude that the mean likes per hour of their ad is not equal to 7 likes.





Suppose an ad agency claims that likes per hour of their ad is not equal to 7 likes, on average. Several of their employees do<br>not believe them, so a manager decides to do a hypothesis test, at a 5% significance level, to persuade them. She collects<br>data for 19 hours and works through the testing procedure:<br>6.2<br>. α 0.05 (significance level)<br>. The test statistic is<br>6.2-7<br>0.9<br>-3.87<br>. The critical values are-Z0025<br>-1.96 and zo.025<br>1.96<br>Conclude whether to reject or not reject Ho, and interpret the results.<br>

Extracted text: Suppose an ad agency claims that likes per hour of their ad is not equal to 7 likes, on average. Several of their employees do not believe them, so a manager decides to do a hypothesis test, at a 5% significance level, to persuade them. She collects data for 19 hours and works through the testing procedure: 6.2 . α 0.05 (significance level) . The test statistic is 6.2-7 0.9 -3.87 . The critical values are-Z0025 -1.96 and zo.025 1.96 Conclude whether to reject or not reject Ho, and interpret the results.

Jun 01, 2022
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