Question: The Scottish Executive, Analytical Services Division Transport Statistics, compiles data on motorcycle accidents. During one year, the numbers of motorcycle accidents in Scotland were tabulated

The Scottish Executive, Analytical Services Division Transport Statistics, compiles data on motorcycle accidents. During one year, the numbers of motorcycle accidents in Scotland were tabulated by day of the week for built-up roads and non€“built-up roads and resulted in the following data.

a. Find the mean and median of the number of accidents for built-up roads.
b. Find the mean and median of the number of accidents for non€“built-up roads.
c. If you had a list of only the day of the week for each accident, what day would be the modal day for each type of road?
d. What might explain the difference in the modal days for the two types of roads?

Day Monday Tuesday Wednesday 76 Thursday Friday Saturday Sunday Built-up Non built-up 70 98 103 85 69 59 53 56 94 102

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