The sum of 20 observations is 500, the mean is
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answer is 25
as
500/20=25
as
500/20=25
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mean = sum of the observations/ number of observations
given ,
sum of the observations = 500
number of the observations =20
mean = 500/20
mean =25
given ,
sum of the observations = 500
number of the observations =20
mean = 500/20
mean =25
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