A student believes that the average grade on the statistics final examination was 87. A sample of 36 past 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.
What will be an ideal response?
a. | H0: ? = 87 |
Ha: ?? 87 | |
b. | test statistic t = -1.52, critical t = |
c. | p-value is between .1 and .2; therefore, do not reject H0 |
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The deed must contain a recital of the purchase price paid
Indicate whether the statement is true or false