Question

if the mean of 12 number is 20 there algebra sum is​

Answer 1

I hope its helpful to you

Answer 2

SOLUTION

GIVEN

The mean of 12 number is 20

TO DETERMINE

The algebraic sum

EVALUATION

Here it is given that the mean of 12 number is 20

So we have

Number of observations = 12

Mean = 20

∴ The algebraic sum

= Mean × Number of observations

= 20 × 12

= 240

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