Question: The data set from England and Wales also notes for each town whether it was south or north of Derby. Here are some summary statistics

The data set from England and Wales also notes for each town whether it was south or north of Derby. Here are some summary statistics and a comparative boxplot for the two regions.

Summary of Mortality Region Count Mean Median North 34 1631.59 1631 South

27 1388.85 1369 StdDev 138.470 151.114

a) What is the overall mean mortality rate for the two regions?
b) Do you see evidence of a difference in mortality rates?

Summary of Mortality Region Count Mean Median North 34 1631.59 1631 South 27 1388.85 1369 StdDev 138.470 151.114

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