Question

- A researcher interested in childhood health and wellbeing collects data about the activity levels of children. They have 100 children wear pedometers during recess and then record data about the total number of steps each child had during recess as well as the number of aerobic steps each child had (these were two different variables). Some information about each of these two measures appears below. It is enough to sketch the general shape of the distributions of these two measures. Make sure, in your sketches, to label the axes to indicate what is being represented. You should have two separate graphs – one for the overall steps and one for the aerobic steps.

Overall steps aerobic steps

Range: 150 – 1800 Range: 0 - 700

Mean: 950 mean: 550

Median: 940 median: 500

Mode: 750, 1200 mode: 300

Answer #1

on x-axis we plot number of steps

and on y- axis we plot number of students

general sketch of overall and aerobic steps is given by

for overall

for aerobic steps

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