Question

The mean 24no. is 35. if 3 is added to each no. what will be new mean.​

Answer 1

38 is the answer.............

Answer 2

Answer:

Let the given numbers be x1,x2,x3,......x24

Then,the mean of these numbers=x1+x2+x3+.....…+x \ 24

therefore x1+x2+x3+.......+x24 \ 24 = 35

=(x1+x2+x3+....x24) =840

The new numbers are (x1+3),(x2+3),(x3+3)+.....,(x24+3).

Mean of the new numbers

= (x1 +3) + (x2+3) + (x3+3) +....+(x24+2) \ 24

=(x1+x2+x3+.....+x24) +72/24= (840+72)/24

=912/24= 38

Hence,the new mean is 38.

Step-by-step explanation:

I hope it helps you

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