Question: Use a t -distribution to find a confidence interval for the difference in means?d=?1-?2 using the relevant sample results from paired data. Assume the results
Use at-distribution to find a confidence interval for the difference in means?d=?1-?2
using 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 usingd=x1-x2

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