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Bar diagram - class-XI

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Types of bar diagram are ______.

  1. simple

  2. multiple

  3. component

  4. all of these


Correct Option: D

_______  bar diagrams are very useful in comparing the sizes of different component parts and also for throwing light on the relationship among these integral parts.

  1. Simple

  2. Multiple

  3. Component

  4. All of these


Correct Option: C

________ come in the category of geometric diagrams.

  1. Bar diagram

  2. Pie diagram

  3. Both A and B

  4. Histogram


Correct Option: C

Graphs are said to be more technical.

  1. True

  2. False


Correct Option: A

Diagrams provide very accurate information.

  1. True

  2. False


Correct Option: B

Fill the Alternative given in the bracket:
__________ represent 2 or more sets of interrelated data.

  1. Simple bar diagram

  2. Multiple bar diagram

  3. Sub - divided bar diagram

  4. Percentage bar diagram


Correct Option: B

There are many types of diagrams.

  1. True

  2. False


Correct Option: A

Sub diagrams are useful in _______.

  1. comparing the sizes of different component parts

  2. for throwing light on the relationship among these integral parts

  3. both A and B

  4. none of the above


Correct Option: C

Only one variable is represented in a multiple bar diagram.

  1. True

  2. False


Correct Option: B

Fill the Alternative given in the bracket:
___________ represent two or more sets of interrelated data.

  1. simple tables

  2. simple bar diagram

  3. multiple bar diagram

  4. component bar diagram


Correct Option: C

Graphs represent relationship between 2 variables.

  1. True

  2. False


Correct Option: A

If there is an increase in a series at constant rate, the graph will be a _______.

  1. convex curve

  2. concave curve

  3. a straight line from left top to right bottom

  4. a straight line from left bottom to right top


Correct Option: D

Year-wise production of rice, wheat and maize for the last ten years can be displayed by ________.

  1. simple column chart

  2. multiple column chart

  3. broken column chart

  4. subdivided column chart


Correct Option: B

In a bar diagram, the base line is __________.

  1. horizontal

  2. vertical

  3. false base line

  4. any of the above


Correct Option: A

Pictograms are _______.

  1. least accurate

  2. very accurate

  3. mostly used

  4. scientifically correct


Correct Option: A

The purpose served by diagrams and charts is ________.

  1. to avoid textual form

  2. to avoid tabulation

  3. simple presentation of data

  4. all the above


Correct Option: D

If there is a decrease in a series at constant rate, the graph will be a _______.

  1. hyperbola

  2. a straight line from left top to right bottom

  3. a straight line from left bottom to right

  4. none of them


Correct Option: B

The following frequency distribution is classified as 
X : 0   1    2   3   4   5   6  
f:    2   5   8   10   9   6   3    

  1. continuous distribution

  2. discrete distribution

  3. cumulative frequency distribution

  4. none of the above


Correct Option: B

Frequency of a variable is always _______.

    • a digit

  1. a fraction

  2. an integer

  3. in percentage


Correct Option: C

Class interval is measured as _________.

  1. the difference between upper and lower limits

  2. half of the sum of lower and upper limits

  3. half of the difference between upper and lower limits

  4. The sum of the upper and lower limits


Correct Option: A

A series showing the sets of all distinct values individually with their frequencies is known as _______.

  1. continuous frequency distribution

  2. simple frequency distribution

  3. cumulative frequency distribution

  4. none of them


Correct Option: B

For the mid-values 4,8,12,16,20 the first class of the distribution is _________.

  1. 0-8

  2. 1-7

  3. 2-6

  4. none of them


Correct Option: C

Year wise production of rice, wheat and maize for last ten years can be displayed by :

  1. Simple column chart

  2. Multiple column chart

  3. Broken column chart

  4. Sub-divided column chart


Correct Option: B

Bar diagrams are helpful because _____________.

  1. bar diagrams are suitable both for frequency type and non-frequency type variables and attributes.

  2. bar diagrams are more convenient for non-frequency data such as export/imports over the years, etc.

  3. bar diagrams can be visually compared by their relative height and accordingly data are comprehended quickly.

  4. all of the above


Correct Option: D

_________ comprises a group of equispaced and equiwidth rectangular bars for each class or category of data.

  1. Histogram

  2. Frequency diagram

  3. Bar diagram

  4. All of these


Correct Option: C

When comparing income and expenditure or import and export for different years, marks obtained in etc. _______ bar diagrams are used.

  1. multiple

  2. simple

  3. component

  4. all of the above


Correct Option: A

Fill the Alternative given in the bracket:
________ diagrams are used for comparison.

  1. Simple bar

  2. Multiple bar

  3. Sub - divided bar

  4. Deviation bar


Correct Option: B

PQLI was developed by _______.

  1. Morris D. Morris

  2. UNDP

  3. Amartya Sen

  4. None of these


Correct Option: A

In a bar diagram, the bars are ______.

  1. horizontal

  2. vertical

  3. slanting

  4. none of the Above


Correct Option: B

In case of frequency distribution with classes of unequal widths, the heights of bar of a histogram are proportional to _____________.

  1. frequency

  2. class intervals

  3. frequency densities

  4. frequencies in percentage


Correct Option: C
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