a-sample-of-waiting-times-in-minutes-at-a-local-pharmacy-is-36547564563-6-5-4-7-

Question

A sample of waiting times in minutes at a local pharmacy is 3,6,5,4,7,5,6,4,5,63, 6, 5, 4, 7, 5, 6, 4, 5, 6. Construct a 95%95\% confidence interval for the population standard deviation σσ.

Accepted Answer

(0.823,2.186)\left(0.823,2.186\right)

Answer

(1.854,2.269)\left(1.854,2.269\right)

Answer

(0.854,1.269)\left(0.854,1.269\right)

Answer

(1.854,3.269)\left(1.854,3.269\right)