Math, asked by rajasreedd, 19 days ago

Mean of 7 numbers was found to be 50. Later on it was detected that a number 72 was
misread as 27. Find the correct mean of the observations.

Answers

Answered by shimonsingh02
5

Answer:

56.4

Step-by-step explanation:

Given mean of 7 numbers = 50

Sum of 7 numbers = 50x7= 350

But 72 was read as 27

Correct sum of 7 numbers = 350-27+72=395

Thus , correct mean =395/7=56.4

Similar questions