Question

Please help :)

A sample of 60 Grade 9 students' ages was obtained to estimate the mean age of all Grade 9 students. X = 15.3 years and the population variance is 16.

a. What is the point estimate for μ?

b. Find the 95% confidence interval for μ.

C. Find the 99% confidence interval for μ.

d. What conclusions can you make based on each estimate?

(No links or you get reported)​

Answer 1

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