Statisticsmedium · Past Paper
If every value in a dataset is increased by 5, what happens to the arithmetic mean?
ARemains the same
BIncreases by 5
CDecreases by 5
DIncreases by 5 multiplied by N
✓ Correct Answer: B — Increases by 5
A property of the mean is that if a constant 'k' is added to every observation, the mean also increases by 'k'.
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