Question

The mean of 35 observation is 15,then the sum is ?

Answer 1

Answer:

mean of 35 observation = 15

mean = sum of 35 observations/35

So ,

sum of 35 observations/35= 15

sum of 35 observation = 35× 15

= 525

#answerwithquality #BAL

Answer 2

Answer:

Statistics. We know that. ⇒ Sum of observations = Mean ×Total number of observations. Sum of 35 observations = 20×35=700. Sum of first 18 observations = 15×18=270.