Given two independent random samples with the following results: n, = 7 Ij = 152 S1 = 20 Use this data to find the 90 % confidence interval for the true difference between the population means. Assume that the n2 = 9 I2 = 122 $2 = 22 population variances are 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. Answer How to enter your answer (opens in new window) Tables Кeyрad Keyboard Shortcuts

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Given two independent random samples with the following results:
n¡ = 7
n2 = 9
X2 = 122
X¡ = 152
s1 = 20
$2 = 22
Use this data to find the 90 % 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.
Copy Data
Step 1 of 3: Find the point estimate that should be used in constructing the confidence interval.
Answer
How to enter your answer (opens in new window)
Tables
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Transcribed Image Text:Given two independent random samples with the following results: n¡ = 7 n2 = 9 X2 = 122 X¡ = 152 s1 = 20 $2 = 22 Use this data to find the 90 % 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. Copy Data Step 1 of 3: Find the point estimate that should be used in constructing the confidence interval. Answer How to enter your answer (opens in new window) Tables Кeypad Keyboard Shortcuts
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