The lengths of time (in years) it took a random sample of 32former smo

The lengths of time (in years) it took a random sample of 32former smo

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 is6.1 years. At alpha equals 0.06 , is there enough evidence to reject the claim that the mean time it takes smokers to quit smoking permanently is 13 years?17.8, 21.1, 19.7, 9.5, 18.5, 13.2, 13.6, 10.719.1, 7.5, 11.3, 7.6, 21.8, 9.2, 21.6, 9.819.3, 21.9, 22.6, 15.5, 12.4, 9.5, 14.9, 7.712.9, 17.6, 14.1, 19.4, 17.1, 17.3, 15.4, 22.5Identify the standardized test statistic. Use technology.