Reconsider Example 2.1 and calculate measures of dispersion (or spread) of the statistics examination marks presented in Table 2.13.

Data from Example 2.1

Suppose the marks obtained in the statistics examination are as illustrated in Table 2.1.

We can describe the overall performance of these 13 students by calculating an ‘average’ score using the mean, median, and mode.

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24 Table 2.13 27 36 48 52 52 53 53 59 60 85 90 95