Cost of an Operation A medical researcher surveyed 9 hospitals and found that the standard deviation for the cost for removing a person's gall bladder was $49. Assume the variable is normally...

Cost of an Operation
A medical researcher surveyed 9 hospitals and found that the standard deviation for the cost for removing a person's gall bladder was $49. Assume the variable is normally distributed. Based on this, find the 90% confidence intervals of the population variance and standard deviation. Round the answers to two decimal places.

I keep getting the second part of both answers wrong.