Math, asked by reddy098, 1 year ago

The mean of 100 observations is 50. If one of the observation which was 50 is replaced by 40, the resulting mean will be​

Answers

Answered by hatchersftw
2

Answer:

49.9

Step-by-step explanation:

since the average is 50 out of 100 observations that means that all the observations add up to 5000 so if an observation the was 50 is replaced by a 40 the new total would be 4990 and to get the mean you must divide by 100 to get a new mean of 49.9

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