Question

find the mean of 5 in numbers is 10 .if each number is decreased by 3 , fimd the mean of new number

Answer 1

mean of the 5 number = 10
sum of the 5 number = 10×5= 50

decreases of 1 number = 3
decrease of 3 number is = 3×5b=15

sum of the new 5 number =50-15=35
mean of the new 5 numbers =35/5=7
the mean of the new no is =7

Answer 2

mean of the 5 number = 10

sum of the 5 number = 10×5= 50

decreases of 1 number = 3

decrease of 3 number is = 3×5b=15

sum of the new 5 number =50-15=35

mean of the new 5 numbers =35/5=7

the mean of the new no is =7

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