Math, asked by satymkumarjha123, 3 days ago

find the sum of 30 observations if the mean of the observation is 90

Answers

Answered by sheetalbatra8112

3

Answer:

Step-by-step explanation:

One observation= 90

No. of observations= 30

∴ The sum= 30 * 90

⇒ 2700 is the sum of 30 observations.

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