CBSE Class 11 Economics VBQs Presentation Of Data

Multiple Choice Questions

Question. Graphical presentation is used to locate positional averages. Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement
Answer : A

Question. Cubes are an example of three dimensional diagram. Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement
Answer : A

Question. Line frequency graphs are also known as
(a) Times series graphs
(b) Arithmetic graph
(c) Both (a) and (b)
(d) Neither (a) nor (b)
Answer : C

Question. Common average lines are used when two variables are given in same unit.
Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement
Answer : B

Question. Histograms are rectangular bar graphs which are used to represent ……… .
(a) individual series
(b) discrete series
(c) continuous series
(d) None of these
Answer : C

Question. Which of the following is/are various shapes of frequency curve?
(a) J-shaped curve
(b) Reverse J-shaped curve
(c) U-shaped curve
(d) All of the above
Answer : D

Question. A curve which is drawn by joining the mid-points of a histogram using a straight line is known as
(a) Frequency polygon
(b) Frequency curve
(c) Both (a) and (b)
(d) Neither (a) nor (b)
Answer : A

Question. An asymmetrical curve is the one which has ……… .
(a) equal area on both side of the curve
(b) more area on the right side of the curve
(c) more area on the left side of the curve
(d) Either (b) or (c)
Answer : D

Question. Ogive graphs can be used to locate which of the following central tendency?
(a) Arithmetic mean
(b) Median
(c) Mode
(d) All of the above
Answer : B

Question. Which bar graph is suitable for representing data with two extreme values?
(a) Broken bar graph
(b) Percentage bar graph
(c) Multiple bar graph
(d) Deviation bar graph
Answer : A

Question. Which of the following is not a diagrammatic presentation?
(a) Simple bar graph
(b) Multiple bar graph
(c) Histogram
(d) Percentage bar graph
Answer : C

Question. Ogive graphs are drawn to represent ……… .
(a) individual series
(b) discrete series
(c) continuous series
(d) None of these
Answer : C

Question. Class frequencies of a series are also known as
(a) Ogive
(b) Frequency polygon
(c) Histogram
(d) None of the above
Answer : D

Question. Frequency distribution of more than ogive curves is arranged in
(a) increasing order
(b) decreasing order
(c) constant order
(d) random order
Answer : A

Question. Choose the correct statement out of the following.
(a) Histograms of inclusive series can only be constructed when converted into exclusive series
(b) Mid value series should be converted into normal frequency distribution in order to draw frequency polygon
(c) Frequency curves are drawn by joiningmid points of histograms by a straight line
(d) It is not possible to construct a histogram if frequency distribution is unequal
Answer : A

Very Short Answer Type Questions

Question. Define caption as a part of table.
Answer : Caption is the title given to the columns of a table. It indicate information contained in the columns.

Question. Define bar diagrams.
Answer : Bar diagrams are those diagrams in which data are presented in the form of bars and rectangles.

Question. Define pie diagram.
Answer : Pie diagram is a circle divided into various segement showing the percent value of a series.

Question. State the meaning of frequency curve.
Answer : Frequency curve is obtained by joining the points of a frequency polygon through freehand smoothed curves not by straight lines.

Question. Define the ogive curve.
Answer : It is the curve which is constructed by plotting cumulative frequency data on the graph paper in a form of a smooth curve.

Question. What is meant by tabulation?
Answer : The method of arranging data orderly in form of rows and columns is known as tabulation

Question. What is meant by man if old table?
Answer : Manifold table shows more than three characteristics of the data.

Question. State the meaning of sub divided bar diagrams.
Answer : Sub divided bar diagrams are those diagrams in which more than one data are presented simultaneously, total values and parts there in a set of data.

Question. What is meant by histogram?
Answer : Histogram is a graphical presentation of a frequency distribution of a continuous series.

Question. Write the name of the curve which is formed by joining mid point of the top of all rectangles in a histogram.
Answer : Frequency polygon.