Mean of eight observations is 25.if on observations 11 is excluded,find the mean of the remaining
nooralammohammad405:
is 11 excluded from every observation?
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mean =25
no of observations =8
sum of observations =25*8=200
if one number 11 is excluded
sum of observations =200-11
=189
no of observations =7
mean = 189/7
=27
hope the answer helps you plzzz mark me as brainleist if the answer helps you....
no of observations =8
sum of observations =25*8=200
if one number 11 is excluded
sum of observations =200-11
=189
no of observations =7
mean = 189/7
=27
hope the answer helps you plzzz mark me as brainleist if the answer helps you....
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