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MATHS 3 Marks Question

Data Handling – III (Bar Graphs) · Rajasthan Board (RBSE) STD 6 (Rajasthan - English Medium). 2 questions.

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Question 13 Marks
Explain the reading interpretation of bar graphs.
Answer
A bar graph is a graph with its length proportional to the value it represents. The bars in a bar graph can be plotted vertically or horizontally. A bar graph is a visual display used to compare the amount or frequency of occurrence of different characteristics of data.
Bar graph allows us to:
Compare groups of data.
Make generalizations about the data quickly.
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Question 23 Marks
Read the following bar graph and answer the following questions:

Bar group of the industrial production of cement in different years in India
$i.\ $What information is given by the bar graph?
$ii.\ $What was the production of cement in the year $1980-81?$
$iii.\ $What is the minimum and maxmimum productions of cement and corresponding years?
Answer
$i.\ $The bar graph informs us about the industrial production of cement in India in different financial years.
$ii.\ 186$ lakh tones of cement were produced in the year $1980-81$
Explanation:
The height of the bar against the year $1980-81$ is up to$186$ units, and production of cement is shown in lakh tones.
$iii.\ $Minimum height of a bar is $30$ units against the year $1950-51$
Therefore, Minimum production of cement is $30$ lakh tonnes in the year $1950-51$
The maximum height of a bar is $232$ units against the year $1982-83$
Maximum production of cement is $232$ lakh tonnes in the year $1982-83$
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