Basic Numerical Skills

Q 1. Kelley’s co-efficient of Skewness is based on

(A) Mean
(B) Quartiles
(C) Percentiles
(D) None of these
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Q 2. Index number for the base period is always taken as

(A) 200
(B) 50
(C) 1
(D) 100
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Q 3. Mean of 3 items is 30 two of them are 20 and 30. What is the other?

(A) 40
(B) 30
(C) 20
(D) 60
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Q 4. ……………… is called positional measure

(A) Mean
(B) Median
(C) Mode
(D) Harmonic Mean
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Q 5. The standard deviation of 10,16,10,16,10,10,16,16

(A) 4
(B) 6
(C) 3
(D) 0
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Q 6. Measures of central tendency are called averages of the ……….. order

(A) First
(B) Second
(C) Third
(D) None
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Q 7. Co-efficient of standard deviation is

(A) SD / Mediam
(B) SD / Mean
(C) SD/ Mode
(D) AM / SD
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Q 8. When mean is less than median and median is less than mode the distribution is called ……………

(A) Symmetric
(B) Negatively skewed
(C) Positively skewed
(D) None
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Q 9. …………. Index is based on the price and quantities of both base year and current year

(A) Paasche’s
(B) Laspeyer’s
(C) Fishers
(D) None of these
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Q 10. The best average for constructing an Index number is

(A) Arithmetic mean
(B) Harmonic mean
(C) Geometric mean
(D) Weighted mean
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