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(c) Based on your answer to part (b), choose what can be concluded, at the 0.05 level of significance, about the population variance of
(c) Based on your answer to part (b), choose what can be concluded, at the 0.05 level of significance, about the population variance of ratings for customers who order from the new menu. Since the value of the test statistic lies in the rejection region, the null hypothesis is rejected. So, there is enough evidence to conclude that the variance differs from 29.6. Since the value of the test statistic lies in the rejection region, the null hypothesis is not rejected. So, there is not enough evidence to conclude that the variance differs from 29.6. Since the value of the test statistic doesn't lie in the rejection region, the null hypothesis is rejected. So, there is enough evidence to conclude that the variance differs from 29.6. Since the value of the test statistic doesn't lie in the rejection region, the null hypothesis is not rejected. So, there is not enough evidence to conclude that the variance differs from 29.6.
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