Question

Mean of 20 no. Is 43 .if 6 is sub. From each of the no. What will be the new mean

Answer 1

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Here is your answer

Sum of 20 Numbers= 20 × 43
= 860
If 6 is subtracted from each Number
Sum is = 20× 6
= 120

New Sum is = 860 - 120
= 740

New Mean =
$= \frac{740}{20} \\ = 37$
Therefore New Mean is 37

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