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25-10-2022
Mathematics

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A grandfather wants to know the average height of all his grandchildren. He finds that the heights of his 9 grandchildren aregiven in inches by

A grandfather wants to know the average height of all his grandchildren He finds that the heights of his 9 grandchildren aregiven in inches by class=

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FinlandF267207 FinlandF267207

25-10-2022

mean = sum of the heights / number of grandchildren

[tex]=\frac{63+71+60+59+74+60+60+75+58}{9}[/tex][tex]=\frac{580}{9}[/tex][tex]\approx64.4[/tex]

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