Chemical Engineering > GATE 2013 > Statistics
The number of emails received on six consecutive days is 11, 9, 18, 18, 4 and 15, respectively. What are the median and the mode for these data?
A
18 and 11, respectively
B
13 and 18, respectively
C
13 and 12.5, respectively
D
12.5 and 18, respectively

Correct : d

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