A sample of the math test scores of 35 fourth-graders has a mean of 82 with a standard deviation of
Question: A sample of the math test scores of 35 fourth-graders has a mean of 82 with a standard deviation of 15.
a) Find the 95% confidence interval of the mean math test scores of all fourth-graders.
b) Find the 99% confidence interval of the mean math test scores of all fourth-graders.
c) Which interval is larger? Explain why.
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Answer: The solution consists of 2 pages
Solution Format: Word Document
Solution Format: Word Document
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