Question

a data of 10 OBSERVATION has a minimum value 15 and maximum value 25.What is rhe mean of the data?

12,15,21,27

Answer 1

Answer:

The correct option is 3. The mean of the data is 21.

Step-by-step explanation:

The mean of a data is defined as

$Mean=\frac{\text{Sum of observation}}{\text{Number of observation}}$

If a minimum value and b is maximum value than

$a<Mean<b$

It is given that minimum value is 15 and maximum value is 25. It means mean must be lies between 15 and 25.

$15<Mean<25$

Only 21 lies between 15 and 25, therefore mean of the data is 21.

Answer 2

21 is the answer

Step-by-step explanation:

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