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11.03 The spread of data sets

Interactive practice questions

Two groups of people, athletes and non-athletes, had their resting heart rate measured. The results were displayed in a pair of box plots.

Athletes
40
50
60
70
80
90
Non-athletes
40
50
60
70
80
90
Beats per minute
a

What is the median heart rate of athletes?

b

What is the median heart rate of the non-athletes?

c

Using this measure, which group has the lower heart rates?

Athletes

A

Non-athletes

B

Athletes

A

Non-athletes

B
d

What is the interquartile range of the athletes' heart rates?

e

What is the interquartile range of the non-athletes' heart rates?

f

Using this measure, which group has more consistent heart rate measures?

Athletes

A

Non-athletes

B

Athletes

A

Non-athletes

B
Easy
Approx 3 minutes
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Outcomes

VCMSP351

Compare shapes of box plots to corresponding histograms and dot plots and discuss the distribution of data

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