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Given two independent random samples with the following results: n1=9    n2=13 x‾1=153 x‾2=113 s1=30   ...

Given two independent random samples with the following results:

n1=9    n2=13

x‾1=153 x‾2=113

s1=30    s2=26

Use this data to find the 95% confidence interval for the true difference between the population means. Assume that the population variances are not equal and that the two populations are normally distributed.

Copy Data

Step 2 of 3 :

Find the margin of error to be used in constructing the confidence interval. Round your answer to six decimal places.

Math   Statistics-And-Probability   
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