Question

The sum of 15 observations is 450. Find the mean

Answer 1

Answer:

30

Step-by-step explanation:

no. of observations =15

sum of 15 observation =450

mean = sum of all observations/

no. of observations

= 450/15

= 30

thank you

Answer 2

The required mean = 30

Given :

The sum of 15 observations of a data is 450

To find :

The mean

Solution :

Step 1 of 2 :

Write down the given data

Here it is given that sum of 15 observations of a data is 450

Number of observations = 15

Sum of the observations = 450

Step 2 of 2 :

Find the mean

The required mean

$\displaystyle \sf{ = \frac{Sum \: of \: the \: observations}{Number \: of \: observations} }$

$\displaystyle \sf{ = \frac{450}{15} }$

$\displaystyle \sf{ = 30}$

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