Math, asked by meenabalachandar1051, 10 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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