Math, asked by meenabalachandar1051, 9 months ago

the mean of 100 observations is 50 if one of the observations which was 50 is replaced by 40 the resuting mean will be

Answers

Answered by krishnasinghgautam

1

Answer:

80

Step-by-step explanation:

$50 \times 50 = 100 \\ \\ 40 \times 40 = 80$

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