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The Following data represent motorcycle accidents. During one year, the numbers of motorcycle accidents in Scotland were tabulated by day of the week for built-up

The Following data represent 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.

DayBuilt-upNon built-up

Monday8870

Tuesday10058

Wednesday7659

Thursday9853

Friday10356

Saturday8594

Sunday69102

a. Without doing any calculations, make an educated guess at which of the two data sets, built-up or

non built-up, has the greater variation.

b. Find the range and sample standard deviation of each of the two data sets. Compare your results

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