This box plot shows information about the marks scored in a test.

see explanation

Step-by-step explanation:

(a)

The median is represented by the solid vertical line inside the box, that is

median = 58

(b)

The interquartile range is the difference between the upper and lower quartiles.

The upper quartile is the value on the right side of the box, that is 72

The lower quartile is the value on the left side of the box, that is 34

Interquartile range = 72 - 34 = 38

(c)

The range is the difference between the maximum and minimum values

The maximum is indicated by the vertical bar on the right outside the box

The minimum is indicated by the vertical bar on the left outside the box

Range = 86 - 10 = 76

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step-by-step explanation:

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