The lengths of time (in years) it took a random sample of 32former smokers to quit smoking permanently are listed. Assume the population standard deviation is 6.4years. At alpha=0.04,is there enough evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 13years?

TABLE

11.9,13.7,7.6,7.6,17.9 21.1,21.6,16.1,13.8,14.9 17.3,17.3,16.8, 8.8,18.3 13.7,7.2,15.8,20.1,11.3 18.7,9.1,11.9,14.8,22.2 12.5,22.5,12.7,11.2,22.9 14.3,10.8

A) Identify theStandardized test Statistic

B) Find The P-Value