A pediatrician’s records showed the mean height of a random sample of 25 girls at age 12 months to be XXXXXXXXXXinches with a standard deviation of XXXXXXXXXXinches. Construct a 95 percent confidence...

A pediatrician’s records showed the mean height of a random sample of 25 girls at age 12 months to be 29.530 inches with a standard deviation of 1.0953 inches. Construct a 95 percent confidence interval for the population variance. (Data are from a project by statistics students Lori Bossardet, Shannon Wegner, and Stephanie Rader.)