Question

The mean of the number 10, 20, 30, 40 is

Answer 1

Answer:

55 is the mean for dataset 10, 20, 30, 40, 50, . . . . , 90 & 100 from which the standard deviation about to be measured to estimate the common variation of the sample or population dataset from its central location.

Answer 2

Answer:

As we know Mean is known as the mean of a number, so...

Average = Sum of all numbers/number of Numbers =

Average/Mean = (10 + 20 + 30 + 40)/4

Average/Mean = 100/4 =

Average/Mean = 25

Hence the mean of 10, 20 ,30, 40 is 25

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