The mean of 10 numbers is 20 if 5 is subtracted from each number then the new mean is equal to
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howdy dude !!
your answer is --
Given , mean of 10 number = 20
so, sum of 10 number is = 10 × 20 = 200
if 5 is subtracted from each number ,
then the sum become 200 - ( 10×5)
= 200 - 50 = 150
therefore , new mean = 150/10 = 15
hope it help you
your answer is --
Given , mean of 10 number = 20
so, sum of 10 number is = 10 × 20 = 200
if 5 is subtracted from each number ,
then the sum become 200 - ( 10×5)
= 200 - 50 = 150
therefore , new mean = 150/10 = 15
hope it help you
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