6.68 What’s wrong? Here are several situations in which there is an incorrect application of the...

6.68 What’s wrong? Here are several situations in which there is an incorrect application of the ideas presented in this section. Write a short explanation of what is wrong in each situation and why it is wrong. A report says that the alternative hypothesis is rejected because the P -value is 0.002. A significance test rejected the null hypothesis that the sample mean is 120. A report on a study says that the results are statistically significant and the P -value is 0.87. The z statistic had a value of 0.014, and the null hypothesis was rejected at the 5% level because of 0.014 < 0.05 .

a) A report on a study says that the results are statistically significant and the P-value is 0.87.

b)The z statistic had a value of 0.014, and the null hypothesis was rejected at the 5% level because of 0.014 < 0.05 .

Expert Solution

orchestra answered 2 years ago

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