# Question

The following 11-84 Plus calculator display presents a 95% confidence interval for the difference between two means. The sample sizes are ni = 85 and n2 = 71.

a. Find the point estimate of PI — P2.

b. How many degrees of freedom did the calculator use?

c. Fill in the blanks: We are 95% confident that the difference between the means is between and ________

a. Find the point estimate of PI — P2.

b. How many degrees of freedom did the calculator use?

c. Fill in the blanks: We are 95% confident that the difference between the means is between and ________

## Answer to relevant Questions

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