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Given two independent random samples with the following results: n1=13x‾1=72s1=16n1=13x‾1=72s1=16   n2=9x‾2=110s2=31n2=9x‾2=110s2=31 Use this data to find...

Given two independent random samples with the following results:

n1=13x‾1=72s1=16n1=13x‾1=72s1=16   n2=9x‾2=110s2=31n2=9x‾2=110s2=31

Use this data to find the 99%99% confidence interval for the true difference between the population means. Assume that the population variances are equal and that the two populations are normally distributed.

Math   Statistics-And-Probability   
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