A student believes that the average grade on the statistics final examination was 87. A sample of 36 final examinations was taken. The average grade in the sample was 83.96 with a standard deviation of 12.
a.State the null and alternative hypotheses.
b.Using the critical value approach, test the hypotheses at the 5% level of significance.
c.Using the p-value approach, test the hypotheses at the 5% level of significance.

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The Answer of A student believes that the average grade on the statistics final examination was 87. A sample of 36 final examinations was taken. The average grade in the sample was 83.96 with a standard deviation of 12.
a.State the null and alternative hypotheses.
b.Using the critical value approach, test the hypotheses at the 5% level of significance.
c.Using the p-value approach, test the hypotheses at the 5% level of significance.

A Student Believes That the Average Grade on the Statistics