The Following Display from a TI-84 Plus Calculator Presents a 95

question 2

Multiple Choice

The following display from a TI-84 Plus calculator presents a 95% confidence interval for the mean difference between matched pairs.

How many degrees of freedom are there?

• A) 17
• B) \(4.4157\)
• C) 18
• D) \(3.9876\)

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