E-PolyLearning

46. The record of daily shipment is 34, 35, 41, 30, 55, 45, 30, 34, 32, 52, 42, 40, 60, 36, 38, 48, 56, 53, 34, 33, 32, 41, 55, 59, 34, 51, 54, 53, 36, then the range of values to calculate class interval is
a. 90
b. 30
c. 2
d. 1800
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Answer: (b).30

47. The largest numerical value is 85 and smallest numerical value is 65 and the classes desired are 8 then width of class interval is
a. 18.75
b. 14.75
c. 13.75
d. 2.5
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Answer: (d).2.5

48. In the graphical representation of data, the ideographs are also called as
a. picto-graph
b. pictograms
c. symmetry graph
d. asymmetry graphs
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Answer: (b).pictograms

49. The stem and leaf displaying technique is used to present data in
a. descriptive data analysis
b. exploratory data analysis
c. nominal data analysis
d. ordinal data analysis
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Answer: (b).exploratory data analysis

50. The class interval classification method which ensures the data continuity is classified as
a. midpoint method
b. ratio method
c. exclusive method
d. inclusive method
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Answer: (c).exclusive method