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1 of 8 0-day streak

Compare a numerical variable across groups

Question 1 of 8

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The resting heart rate (in beats per minute) of members of a sports club was recorded for the Under-18s squad and the Under-16s squad

Group 1: The Under-18s squad

Group 2: The Under-16s squad

Parallel boxplots comparing the resting heart rate (in beats per minute) of members of a sports club for the Under-18s squad and the Under-16s squad, on a shared Resting heart rate (bpm) scale.708090Resting heart rate (bpm)7072808992Group 16466738383Group 2
(a)4 marks

Work out each group's median and interquartile range

(b)1 mark

Which group is centred higher?

(c)1 mark

Which group has more spread in its middle half (IQR)?