Statisticsmedium · Past Paper
If the mean of 1, 2, 3... n is 6, what is n?
A10
B11
C12
D13
✓ Correct Answer: B — 11
Mean of first n natural numbers is (n+1)/2. (n+1)/2 = 6 implies n = 11.
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✓ Correct Answer: B — 11
Mean of first n natural numbers is (n+1)/2. (n+1)/2 = 6 implies n = 11.
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