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Anon25 [30]
3 years ago
7

A student believes that the average grade on the statistics final examination is 87. A sample of 36 final examinations is taken.

The average grade in the sample is 83.96 with a sample standard deviation of 12. Carry out the hypothesis testing that the real mean is less than 87. Use a 0.05 level of significance.
Mathematics
1 answer:
Crazy boy [7]3 years ago
4 0

Answer:

A detailed answer is attached please

Download docx
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