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Statistical Description of Data

Theory and Formula


Questions


Q1. An Arithmetic line graph is also known as :

(a) Time series graph

(b) Bar chart

(c) Circular graph

(d) Multiple Bar chart

Solution.a
Time series graph
Solution

Q2. Which is not a frequency diagram .

(a) Histogram

(b) Circular chart

(c) Ogive curve

(d) Frequency polygon

Solution.b
Circular chart
Solution

Q3. Bar diagram and Pie diagram are of _____________ diagram .

(a) Geometric

(b) Arithmetic line

(c) Frquency

(d) None of these

Solution. a
Geometric
Solution

Q4. Arithmetic line graph help in understanding ______________

(a) Cyclicity in data

(b) Long term trend (in time series)

(c) Both a & b

(d) None of these

Solution. b
Long term trend (in time series)
Solution

Q5. Which statement is wrong .

(a) Bar diagram can be developed both for discrete and continuous variables .

(b) Width of a bar (in bar diagram) has no meaning

(c) Width and height of an histogram is important for the purpose of comparison .

(d) Histogram can be developed for inclusive class intervals.

Solution. d
Histogram can be developed for inclusive class intervals.
Solution