(See Solution) A 95% confidence interval for a population mean is (2.7152, 9.1048). What is the sample mean? What is the margin of error? Suppose n=36.
Question: A 95% confidence interval for a population mean is (2.7152, 9.1048).
- What is the sample mean?
- What is the margin of error?
- Suppose n=36. What is the value of sigma?
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