Statistics
Quick practice
Question 1 of 5
If the arithmetic mean of first n natural numbers is 15, then n is equal to
A
15
B
30
C
29
D
14
Concepts
Mean of Ungrouped Data
Mode of Grouped Data
Median of Ungrouped Data
Median of Grouped Data
Empirical relation - Mode = 3 Median − 2 Mean
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