Question from-l

3.3 One-Variable Data & Statistics - Mean, median, mode, range
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  • From left to right the values of the vertical bars in the Group 1 box plot are as follows:
    • First vertical bar: 21
    • Second vertical bar: 22
    • Third vertical bar: 25
    • Fourth vertical bar: 26
    • Fifth vertical bar: 28
  • From left to right the values of the vertical bars in the Group 2 box plot are as follows:
    • First vertical bar: 22
    • Second vertical bar: 23
    • Third vertical bar: 24
    • Fourth vertical bar: 25
    • Fifth vertical bar: 28

The box plots summarize the masses, in kilograms, of two groups of gazelles. Based on the box plots, which of the following statements must be true?

A.

The mean mass of group 1 is greater than the mean mass of group 2.

B.

The mean mass of group 1 is less than the mean mass of group 2.

C.

The median mass of group 1 is greater than the median mass of group 2.

D.

The median mass of group 1 is less than the median mass of group 2.