Twenty boys and girls were each asked how many aunts and uncles they have. The entry 4
Question:
Twenty boys and girls were each asked how many aunts and uncles they have. The entry 4 / 5 in the following table, for example, shows that 4 boys and 5 girls each have 3 aunts and 2 uncles.
a. Find the mean number of uncles that the boys have.
b. For the boys and girls together, calculate the mean number of:
i. Aunts
ii. Aunts and uncles.
c. Suggest an alternative way of presenting the data so that the calculations in parts a and b would be simpler to make.
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a To find the mean number of uncles that the boys have we need to add up the number of uncles for ea...View the full answer
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Related Book For 
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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