Two samples are taken with the following sample means, sizes, and standard deviations T1 = 28 ã2 = 22 nį = 67 n2 = 69 s1 = 3 s2 = 4 Estimate the difference in population means using a 89% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. < li - 12
Two samples are taken with the following sample means, sizes, and standard deviations T1 = 28 ã2 = 22 nį = 67 n2 = 69 s1 = 3 s2 = 4 Estimate the difference in population means using a 89% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. < li - 12
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![### Estimating the Difference in Population Means
Two samples are taken with the following sample means, sizes, and standard deviations:
- Sample 1:
- Mean (\(\bar{x}_1\)): 28
- Size (\(n_1\)): 67
- Standard Deviation (\(s_1\)): 3
- Sample 2:
- Mean (\(\bar{x}_2\)): 22
- Size (\(n_2\)): 69
- Standard Deviation (\(s_2\)): 4
You are required to estimate the difference in population means using an 89% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth.
The confidence interval for the difference in population means (\(\mu_1 - \mu_2\)) is given by:
\[
\left( \text{[lower bound]} \right) < \mu_1 - \mu_2 < \left( \text{[upper bound]} \right)
\]
Enter your calculated values for the lower bound and upper bound in the boxes provided.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa218d9b0-33cd-49fb-8966-615774819802%2Fa4a6b410-de71-44b2-8467-f68549bc99c5%2Fid6ftt_processed.png&w=3840&q=75)
Transcribed Image Text:### Estimating the Difference in Population Means
Two samples are taken with the following sample means, sizes, and standard deviations:
- Sample 1:
- Mean (\(\bar{x}_1\)): 28
- Size (\(n_1\)): 67
- Standard Deviation (\(s_1\)): 3
- Sample 2:
- Mean (\(\bar{x}_2\)): 22
- Size (\(n_2\)): 69
- Standard Deviation (\(s_2\)): 4
You are required to estimate the difference in population means using an 89% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth.
The confidence interval for the difference in population means (\(\mu_1 - \mu_2\)) is given by:
\[
\left( \text{[lower bound]} \right) < \mu_1 - \mu_2 < \left( \text{[upper bound]} \right)
\]
Enter your calculated values for the lower bound and upper bound in the boxes provided.
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