23 girls have a mean height of 153cm
17 boys have a mean height of 165cm
work out the me...
Mathematics, 04.12.2020 20:20 chubbyxturtle
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
Answers: 3
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