Question

it mean of 15 observation is 73.2 then find its sum of all observation​

Answer 1

Answer:

1098

Step-by-step explanation:

Mean = 15

Number Of Observation = 73.2

Let The Sum Of Observation Be X

Then,

$15 = \frac{x}{73.2} \\ x = 73.2 \times 15 \\ x = 1098$

Hence -- The Sum Of Observation is 1098