A community health association is interested in estimating the average number ofmaternity days women stay in the local hospital.A random sample is taken of16 women who had babies in the hospital during the past year. The followingnumbers of maternity days each woman was in the hospital are rounded to thenearest day.

5123 2 15111 275177

Use these data and a population standard deviation of1.75to construct a98%confidence interval to estimate the average maternity stay in the hospital for allwomen who have babies in this hospital.

Lower Confidence Limit (L.C.L)=

Upper Confidence Limit (U.C.L)=