The heights, x cm, of the 10 girls in an athletics team are such that
sum of x (∈x) =1550 and...
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Mathematics, 29.08.2019 11:30, iamsecond235p318rq
The heights, x cm, of the 10 girls in an athletics team are such that
sum of x (∈x) =1550 and ∈x∧2= 241250
a- find the mean and variance
b- one girl, who is 173cm tall, drops out of the tem. calculate the mean and variance of the heights of the remaining nine members of the team
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Answers: 1
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