The Frequency Table Below Shows the Number of Days Off

question 84

Essay

The frequency table below shows the number of days off in a given year for 30 police detectives.
$$\begin{array} { r | c } \text { Days off } & \text { Frequency } \\\hline 0 - 2 & 10 \\3 - 5 & 1 \\6 - 8 & 7 \\9 - 11 & 7 \\12 - 14 & 1 \\15 - 17 & 4\end{array}$$
Construct a histogram. Use the class midpoints for the horizontal scale. Does the result appear to be a normal distribution? Why or why not?

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