Math, asked by akshatmohan, 4 months ago

mean of 20 observations is 17. If in the observations , observations 40is replaced by 12 then find the new mean .

Answers

Answered by ritvikuralanvn

1

Answer:

312

Step-by-step explanation:

Answered by yogeshsedai28

0

Step-by-step explanation:

Since mean of 20 observations is 17

Sum of the 20 observations = 17 x 20 = 340

New sum of 20 observations = 340 – 40 + 12 = 312

New mean=312 / 20 =15.6

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