Question

The arithmetic mean of the data is 10. Each observation of the data is multiplied by 2 and 3 is added to the product Arithmetic mean of the results obtained is

Answer 1

Step-by-step explanation:

Given  

The arithmetic mean of the data is 10. Each observation of the data is multiplied by 2 and 3 is added to the product Arithmetic mean of the results

Let there be n number of values.

So total of n values will be 10 n

Now each n value is multiplied by 2 and 3 is added to each of them

Now total will increase from 10 n to (10 x 2 + 3) n x 10

                                                   = 23 n x 10

New mean will be 23 x 10 n / 10 n

                                    = 23

Answer 2

Answer:

23

Step-by-step explanation:

10(2)+3

20+3

23

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