A 90% confidence interval for 1 2 using the paired difference sample results x

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A 90% confidence interval for μ1 − μ2 using the paired difference sample results x̅d = 556.9, sd = 143.6, nd = 100


Use a t-distribution to find a confidence interval for the difference in means μ1 − μ2 using the relevant sample results from paired data. Give the best estimate for μ1 − μ2, the margin of error, and the confidence interval. Assume the results come from random samples from populations that are approximately normally distributed, and that differences are computed using d = x1 − x2.

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Statistics Unlocking The Power Of Data

ISBN: 9780470601877

1st Edition

Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock

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