The mean of 8 number is 8, if a number whose magnitude is 9 is added , then find the new mean
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mean of 8 observations is 8
so
sum of 8 observations =8×8=64
included observation=9
new mean=64+9/9=73/9=8.1111111111
here is ur answer
HOPE IT HELPS
❤❤❤
mean of 8 observations is 8
so
sum of 8 observations =8×8=64
included observation=9
new mean=64+9/9=73/9=8.1111111111
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