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Question
Consider the following results for two samples randomly taken from two populations.| Sample A | Sample B | |
| Sample Size | 20 | 25 |
| Sample Mean | 28 | 22 |
| Sample Standard Deviation | 5 | 6 |
a. Determine the degrees of freedom for the tdistribution.
b. At 95% confidence, what is the margin of error?
c. Develop a 95% confidence interval for the difference between the two population means.
Answer
This answer is hidden. It contains 22 characters.
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