Question

Find the mean of 20,22,25,28,30

Answer 1

Mean= Sum of all data / No of data

=20+22+25+28+30/5

=125/5

=25

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Answer 2

The answer is 25.

Given: Values = 20, 22, 25, 28, 30

To Find: mean of the given range

Solution:

Mean = $\frac{Sum of values}{No. of terms}$

Sum of values = 20 + 22 + 25 + 28 + 30

                       = 125

No. of terms  = 5

∴ Mean = $\frac{125}{5}$

             = 25

Answer) The mean of the values is 25.

Note

• The mean can also be considered to be the average of the given numbers.

• It is found by the same method which is used to find the average.

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