The heights, in centimetres, of 54 children are represented in the following diagram. The children are split

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The heights, in centimetres, of 54 children are represented in the following diagram. The children are split into two equal-sized groups: a ‘tall half’ and a ‘short half’.

Calculate an estimate of the difference between the mean heights of these two groups of children.

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Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

ISBN: 9781108407304

1st Edition

Authors: Dean Chalmers, Julian Gilbey

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Question Posted: Sep 10, 2021 03:17 AM

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The heights, in centimetres, of 54 children are represented in the following diagram. The children are split

Question:

140 144 150 156 159 Height (cm) Frequency density 2.

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Answer The difference between the mean heights of these two c...View the full answer

Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

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