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Use a-distribution to find a confidence interval for the difference in means u1 - u2using the relevant sample results from paired data. Assume the results
Use a-distribution to find a confidence interval for the difference in means u1 - u2using the relevant sample results from paired data. Assume the results come from random samples from populations that are approximately normally distributed, and that differences are computed using d = x1 - x2.
A 99% confidence interval foru1 - u2using the paired data in the following table:
Case | 1 | 2 | 3 | 4 | 5 |
Treatment 1 | 22 | 29 | 31 | 26 | 29 |
Treatment 2 | 19 | 30 | 25 | 21 | 21 |
best estimate =
margin of error =
The99%confidence interval is ? to ?
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