Question
Given two independent random samples with the following results: n1=11 x‾1=133 s1=20 n2=12 x‾2=151 s2=22 Use...
Given two independent random samples with the following results:
n1=11
x‾1=133
s1=20
n2=12
x‾2=151
s2=22
Use this data to find the 90% 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.
Step 1 of 3 :
Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places. Please show work or show TI 83 inputs.
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Answer #1
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