23 girls have a mean height of 153cm 17 boys have a mean height of 165cm work out the mean of all 40 children? plzz help me!!! pleaseee

asked Oct 7, 2021 180k views

3 votes

23 girls have a mean height of 153cm

17 boys have a mean height of 165cm

work out the mean of all 40 children?

plzz help me!!!
pleaseee

4.0k points

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5 votes

Answer:

Mean height of 159

Explanation:

Add 153 and 165, then divide by 2 to find the average of 159.

Erk answered Oct 13, 2021

by Erk

4.5k points

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