Question: A random sample of size n = 7 from a normal population produced these measurements: 1.4, 3.6, 1.7, 2.0, 3.3, 2.8, 2.9. a. Calculate the

A random sample of size n = 7 from a normal population produced these measurements: 1.4, 3.6, 1.7, 2.0, 3.3, 2.8, 2.9.
a. Calculate the sample variance, s2.
b. Construct a 95% confidence interval for the population variance, σ2.
c. Test H0: σ2 = .8 versus Ha: σ2 ≠ .8 using α = .05. State your conclusions.
d. What is the approximate p-value for the test in part c?

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