The following TI-84 Plus calculator display presents a 95% confidence interval for the mean difference between matched
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The following TI-84 Plus calculator display presents a 95% confidence interval for the mean difference between matched pairs.
a. What is the point estimate of μd?
b. How many degrees of freedom are there?
c. Fill in the blanks: We are 95% confident that the mean difference is between ________________ and _______________ .
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