Question

the mean of 20 number is 43 if 6 is subtracted from each number find the new mean

Answer 1

The mean of 20 numbers is 43
By alternative method
if 6 is subtracted from every number then
the mean will also get reduced by 6
New mean will be 20-6
14
This process is 100 percent acceptable.
This answer is right Dont worry.

Answer 2

Hi there!

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What is Mean?

The average of a given set of numbers is called the Arithmetic mean, or simply the mean, of the given numbers.

Mean = $\frac{Sum \: of \: observations}{Number \: of \: observations}$

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