the mean of 30members is 18 what will be the new mean of each number is increased by 2
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the mean will become 20 as each no is increased by 2 and frequency remains the same
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mean = summation
so, mean = 18
so, if new mean = 18 + 2
= 20......... (since, An = A1 + A2. ....
so, An+2 = A1+2 + A2+2 .......)
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so, mean = 18
so, if new mean = 18 + 2
= 20......... (since, An = A1 + A2. ....
so, An+2 = A1+2 + A2+2 .......)
HOPE IT WILL HELP YOU. . . . . . . . . .
PLZ MARK MY ANSWER AS BRAINLIEST AS SOON AS POSSIBLE! ! ! ! ! ! ! ! ! !
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