Question

The Scottish Executive, Analytical Services Division Transport Statistics, compiles data on motorcycle casualties. During one year, monthly casualties resulting from motorcycle accidents in Scotland for built-up roads and non–built-up roads were as follows.
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 here to the educated guess that you made in part (a).


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  • CreatedAugust 13, 2015
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