Use the given degree of confidence and sample data to find aconfidence interval for the population standard deviation ?. Assumethat the population has a normal distribution. Weights of men: 90%confidence; n = 14, = 155.7 lb, s = 13.6 lb
A. 11.0 lb < ? < 2.7 lb
B. 10.1 lb < ? < 19.1 lb
C. 10.4 lb < ? < 20.2 lb
D. 10.7 lb < ? < 17.6 lb
