E-PolyLearning

16. The 'less than type distribution' and 'more than type distribution' are types of
a. class distribution
b. cumulative class distribution
c. cumulative frequency distribution
d. upper limit distribution
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Answer: (c).cumulative frequency distribution

17. The exclusive method and inclusive method are ways of classifying data on basis of
a. manifold classes
b. rational intervals
c. class width
d. class intervals
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Answer: (d).class intervals

18. The histograms, pie charts and frequency polygons are all types of
a. one dimension diagrams
b. two dimension diagrams
c. cumulative diagrams
d. dispersion diagrams
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Answer: (a).one dimension diagrams

19. The term used to describe frequency curve is
a. symmetrical distribution
b. symmetry and kurtosis
c. kurtosis of distribution
d. relative frequency curve
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Answer: (b).symmetry and kurtosis

20. The third step in constructing the frequency distribution is to
a. select appropriate class intervals
b. determine class intervals
c. determine class limits
d. determine midpoints of classes
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Answer: (c).determine class limits

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