Question

The average of 10 numbers is 23. If each number is increased by 4, what will

the new average be​

Answer 1

Answer:

ANSWER

Let the sum of all the numbers be s

24=

13

s

⇒s=312

Now as we add 3 to each number

New Sum =312+3×13=351

New mean =

13

351

=27

Change in mean =27−24=3

Answer 2

The answer is 6.3

average of 10 numbers = 23

If each number is increased by 4, the total increase = 4 × 10 = 40

Therefore, the new sum = 23 + 40 = 63

⇒ the new average = 63 / 10 = 6.3

#SPJ2

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