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3 August, 13:40

Students from two age groups were surveyed to see how they travel to school. Here are the results:

Below age 15-Walk or bike: 87; Bus: 60; Car: 18

Age 15 and above-Walk or bike: 65; Bus: 50; Car: 80

Which of the following is a correct two-way relative frequency table for the data?

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  1. 3 August, 16:07
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    Two-way relative frequency table looks like this.

    Walk/bike Bus Car Total

    Below age 15 87 60 18 165

    Age 15 and above 65 50 80 195

    Total 152 110 98 360

    The sum of the row total = The sum of the column total

    165 + 195 = 152 + 110 + 98

    360 = 360
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