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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
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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

User Amm Sokun
by
6.7k points

1 Answer

5 votes

Answer:

Mean height of 159

Explanation:

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

User Erk
by
6.6k points
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