Statisticsmedium · Past Paper
The mean of a data set is X. If each item is decreased by X, what is the new mean?
AX
B2X
C0
D-X
✓ Correct Answer: C — 0
New Mean = Old Mean - constant = X - X = 0.
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✓ Correct Answer: C — 0
New Mean = Old Mean - constant = X - X = 0.
Share this question