Here is some data about a group of boys and a group of girls.
Boys: number: 20
mean height: 1....
Mathematics, 15.05.2021 14:00, ismailear18
Here is some data about a group of boys and a group of girls.
Boys: number: 20
mean height: 1.55 m
range of heights: 0.42 m
Girls: number: 10
mean height: 1.40 m
range of heights: 0.36 m
For the combined group of boys and girls, work out, if possible:
a the number of children
b the mean height
c the range of heights.
Answers: 2
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