Data were collected on the annual mortality rate (deaths per 100,000) for males in 61 large towns in England and Wales. The data set also notes for each town whether it was south or north of Derby. The summary statistics are given below. Is there a significant difference in mortality rates in the two regions? Answer parts a and b. Assume a significance level of a = 0.05. Group Count Mean Median StdDev North 27 1619.93 1619 136.44 South 34 1574.51 1563 154.65 Click the icon to view the boxplot of the data