Below 5

Below is a collection of test scores from a class of 20 students. Make 2 histograms of the data. Choose your own horizontal scales as long as you have more than 4 cells in each histogram.

65 70 68 87 98 91 77 85 70 72 86 86 94 95 67 88 77 99 74 71

Correct answer:

m =  81

Step-by-step explanation:

$$\begin{gathered} s=1620 \\ n=20 \\ m=s/n=1620/20=81 \end{gathered}$$

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