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The mean of 20 observations is 50. If the observation 50 is replaced by 140, what will be the resulting mean?​
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3 votes
The mean of 20 observations is 50. If the observation 50 is replaced by 140, what will be the resulting mean?​

User Jianweichuah
by
5.5k points

1 Answer

3 votes

Answer:

24.5

Explanation:

20 + 140-50/20

= 20 + 4.5

=24.5

User AlexMeng
by
5.0k points
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