Ganita Prakash

Statistics

250+ practice questions available

Sample Practice Questions

5 questions shown — tap “Show Answer” to check yours.

Easy

Which measure of central tendency can be used for the data: Red, Blue, Red, Green, Red, Blue?

AMean

BMedian

CMode

DAll of the above

Easy

The mean of 0, 1, 2, 3, 4 is:

B2.5

Medium

Median of 22, 18, 25, 20, 16, 24, 19 is:

A20

B22

C19

D25

Easy

Mean of -2, -1, 0, 1, 2 is:

C-1

Hard

For class 20-30 (freq 10, width 10) and class 30-50 (freq 20, width 20), if min width=10, the adjusted heights are:

A10 and 20

B10 and 10

C5 and 10

D20 and 10

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