Given two independent random samples with the following results: n1=16 x‾1=124 s1=35   n2=12 x‾2=86 s2=31 Use this data to find the 98% 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 1 of 3 :   Find the point estimate that should be used in constructing the confidence interval. If you could also find verything else that would be extremely helpful! Thank you.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Given two independent random samples with the following results:

n1=16 x‾1=124 s1=35   n2=12 x‾2=86 s2=31

Use this data to find the 98% 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 1 of 3 :  

Find the point estimate that should be used in constructing the confidence interval. If you could also find verything else that would be extremely helpful! Thank you.

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