Chapter
no. 04 Information Handling
Q : 1 Choose the correct answer
1. The
mean of the data 12, 14, 16, 18, 0, -12, -14, -18 is .
a-) 4 b-)
-4
c-) 0 d-)
None of these
2. The data which have been passed through
some statistical treatments at least once is called data.
a-) Primary b-)
Secondary
c-) Constant d-)
None
3. Variance is the
of standard deviation.
a-) Square root b-) Square
c-) Cube d-)
None
4. The mean of 45 numbers is 80, their sum = .
a-) 3600 b-)
125
c-) 4000 d-)
2000
5. The median of the data 0, 4, 1, 3, 2 is .
a-) 2 b-)
1
c-) 3 d-)
None
6. The class interval in the 24 to 28 is .
a-) 2 b-) 3
c-) 4 d-) 5
7. The Mode of the data 1, 4, 0, 7, 9 is .
a-) 0 b-) 4
c-) No Mode d-)
None
8. Range is a type of .
a-) Dispersion b-)
Data
c-) Variance d-)
S.D
9. Range of data 2, 2, 2, 2, is .
a-) 10 b-)
2
c-) 0 d-) 32
10. Central tendency is of types.
a-) 2 b-) 3
c-) 4 d-) 5
11. Measure of dispersion is of types.
a-) 2
b-) 3
c-) 4 d-)
5
12. Standard deviation is the of variance.
a-) Square b-)
Square root
c-) Cube d-)
None
13. The difference b/w the upper class limits
and lower class limit is
called .
a-) Class mark b-)
Class frequency
c-) Class interval d-)
None
14. If the standard deviation of a data is 12,
then variance is .
a-) 0 b-)
2√3
c-) 144 d-) None
15. The mode of the data 
0,
1, 2, 3, 3, 4 is .
0,
1, 2, 3, 3, 4 is .
a-) 0 b-) 1
c-) 2 d-)
3
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