Question

mean of 10 observation is 12.5. if the mean of 4 observation of them is 5 . find the mean of the remaining observations.​

Answer 1

Answer:

105

Explanation:

10 X 12.5 = 125

4 X 5 = 20

125 - 20 = 105

Answer 2

Explanation:

The mean of 10 observations = 12 <br>

<br> The mean of first 6 observations

<br>

<br> Now, total sum of last 4 observations

<br>