Question

sum of all the 30 observation is 480. then, the mean of observation is​

Answer 1

Given sum of all the Observation is 30

And total sum is 480

Mean:Sum of all the Observation÷Total no. of observation

So,mean is=480/30


=16

So, mean is 16

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Answer 2

Answer:

Step-by-step explanation:

Sum = average × number of obsevstions

Average= sum / n

480/30 = 16