Essay
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.
Correct Answer:
Verified
a.
H0: μ = 87
Ha: μ ≠ 87
b.
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Correct Answer:
Verified
a.
H0: μ = 87
Ha: μ ≠ 87
b.
te...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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