Asked by Utkarsh
Find the value of p,if mean of following distribution is 20.
X 15 17 19 20+p 23
Y 2 3 4 5p 6
X 15 17 19 20+p 23
Y 2 3 4 5p 6
Answers
Answered by
Reiny
by simple observation,
the x's increase by 2 , so 20+p = 21
thus p=1
which lets the y's increase nicely by 1
the x's increase by 2 , so 20+p = 21
thus p=1
which lets the y's increase nicely by 1
Answered by
kriti
Cal the xi fi and fixi then the total.
Put the values in the formula of mean.since mean is given!! More easier and the final result comes as P=1 .Hence done!!!!
Put the values in the formula of mean.since mean is given!! More easier and the final result comes as P=1 .Hence done!!!!
Answered by
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Good
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