Math, asked by jainayush3464, 19 days ago

The sum of deviation of values from 30 is 10 and AM is 30.2, Find the number of observations?

Answers

Answered by tiwaripoonam9032

0

Answer:

Mean = (sum of observation) / (number of observation)

Sum of observation is given as = 70

Number of observation = 20

∴ Mean = 70/20 = 3.5

But, here observation starts from= 23.

∴ Mean = 23 + 3.5 = 26.5

Step-by-step explanation:

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