To compare the mean times spent waiting for a kidney transplant for two age groups, you randomly select several people in each age group who have had a kidney transplant. The results are shown below. Construct a 95% confidence interval for the difference in mean times spent waiting for a kidney transplant for the two age groups.

Sample Statistics for Kidney Transplants

Construct the indicated confidence interval for μ₁ - μ₂. Assume the populations are approximately normal with equal variances.

Transcribed Image Text:

35-49 50-64 1805 days 2 1629 days s1 166 days 2 204 days 121