Question: For each of the following sample results construct the requested

For each of the following sample results, construct the requested confidence interval. Assume the data come from normally distributed populations.
a. n = 12, x̄ = 28.4, s2 = 44.9;99% confidence for σ2
b. n = 7, x̄ = 28.4, s = 1.24;95% confidence for σ2
c. n = 20, x̄ = 28.4, s = 32;90% confidence for σ2
d. n = 17, x̄ = 28.4, s2 = 18.56;80% confidence for σ2



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  • CreatedFebruary 19, 2015
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