E-PolyLearning

1. If the vertical lines are drawn at every point of straight line in frequency polygon then by this way the frequency polygon is transformed into
a. width diagram
b. length diagram
c. histogram
d. dimensional bar charts
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Answer: (c).histogram

2. The diagrams such as cubes and cylinders are classified as
a. one dimension diagrams
b. two dimension diagram
c. three dimensional diagrams
d. dispersion diagrams
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Answer: (c).three dimensional diagrams

3. The discrete variables and continuous variables are two types of
a. open end classification
b. time series classification
c. qualitative classification
d. quantitative classification
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Answer: (d).quantitative classification

4. In stem and leaf display diagrams used in exploratory analysis, the stems are considered as
a. central digits
b. trailing digits
c. leading digits
d. dispersed digits
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Answer: (c).leading digits

5. The classification method in which the upper limit of interval is same as of lower limit class interval is called
a. exclusive method
b. inclusive method
c. mid-point method
d. ratio method
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Answer: (a).exclusive method

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