Mathematics · Statistics

The arithmetic mean of 100 observations is 50. If 5 is subtracted from each observation and then divided by 20, then what is the new arithmetic mean?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

12.25✓
23.5
34.25
45.5

Correct answer

2.25

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The arithmetic mean of 100 observations is 50. If 5 is subtracted from each observation and then divided by 20, then what is the new arithmetic mean?

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The arithmetic mean of 100 observations is 50. If 5 is subtracted from each observation and then divided by 20, then what is the new arithmetic mean?

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