Question: Random samples from two normal populations produced the following statistics. s 1 2 =350n 1 =26s 2 2 = 700n 2 =31 a)Can we infer

Random samples from two normal populations produced the following statistics.

s12 =350n1 =26s22 = 700n2 =31

a)Can we infer at the 5% significance level that the two population variances differ?

b) Estimate with 95% confidence the ratio of the two population variances.

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