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1 of 8 0-day streak

Compare a numerical variable across groups

DIFFICULTYintrostandardchallengeexam
QUESTION TYPEMix of allChange
Boxplots: 2 groups, comparison 1Boxplots: 2 groups, comparison 2Boxplots: 2 groups, comparison 3Back-to-back measurements, whole-number key, comparison 1Back-to-back measurements, whole-number key, comparison 2Back-to-back measurements, whole-number key, comparison 3Back-to-back measurements, whole-number key, comparison 4Back-to-back measurements, decimal key, comparison 1Back-to-back measurements, decimal key, comparison 2Back-to-back measurements, decimal key, comparison 3Back-to-back measurements, decimal key, comparison 4NOWMix of allRecommended
Question 1 of 8

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Seedling height (centimetres) was recorded for the west nursery and the central nursery

Group 1: The west nursery

Group 2: The central nursery

Parallel boxplots comparing seedling height (centimetres) for the west nursery and the central nursery, on a shared Height (cm) scale.8090100110Height (cm)899098110111Group 177818999101Group 2
(a)4 marks

Work out each group's median and interquartile range

(b)1 mark

Which group has the higher median?

(c)1 mark

Which group has the greater IQR?