Basic Graphical Representations

IMPORTANT

Basic Graphical Representations: Overview

This topic discusses various tools to represent data like bar graph, pie graph, histogram and line graph with the help of diagrams for each. We will also learn to interpret them here.

Important Questions on Basic Graphical Representations

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Study the following graph carefully and answer the given question. Number of students (Males & Females) passed out from various colleges in a year. (Number in thousands) is shown below:

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COLLEGES

What is the average number of students (Males & Females) passed out from all the colleges together?

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Construct a double bar graph, using the table given below:

Suppose population of India and China are

Years195119611971198119912001 Population of India (in crores) 3644546884102 Population of China (in crores) 58647090100110

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Construct a double bar graph, using the table given below:

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Construct a double bar graph, using the table given below:

 Scores on the practice Test and the Test  Students  Practice Test  Test  Jeff 6070 Peter 7590 John 5555 Mary 8095

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Kiara measured the weight of her dog at the end of every month. She used a line graph to display the data.

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Between which two months did the dog grow the most?

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Jane measured the weight of her kitten at the end of every month. She used a pictograph and a line graph to display the data.

Month 1 2 3 4
Weight (kg) 1 2 3 5

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In which two months did the kitten grow at the same rate? Which graph shows this more clearly?

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The line graph is given below shows the sales of a shopkeeper in the first week of January 2016.

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If the cost of one doll is Rs.100, then how many dolls were sold on 4th January 2016 by the shopkeeper.

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The following table gives the quantity of petrol and its cost.

Quantity of petrol (in litres) 10 15 20 25
Cost of petrol (in ₹) 500 750 1000 1250

The graph given below is showing the above data.

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At the cost of .200, how much liter petrol do you get?

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A courier-person cycles from a town to a neighbouring suburban area to deliver a parcel to a merchant. His distance from the town at different times is shown by the following graph.

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If the distance of the place of merchant from the town is x km, write x as the final answer.

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The line graph in the figure below shows the academic performance of two students during a year. Read the graph and find the following.

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What is the difference between the least marks scored by student A and student B? Write the numerical value of marks as the final answer.

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The figure is a bar graph showing the number of students in different clubs of the school:

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_____ club is most popular among the students?

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Find the mode of 10, 12, 11, 10, 15, 20, 19, 21, 11, 9, 10.

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Where do we use vertical bar graphs and horizontal bar graphs.

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All the bars (or rectangles) in a bar graph have

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The temperatures (°C) of a city for the month of November, are given below.

9.0, 5.1, 11.2, 9.3, 10.5, 9.3, 10.4, 10.5, 7.1, 10.08.3, 11.9, 7.6, 8.9, 11.0, 12.5, 12.2, 12.0, 9.2, 9.07.8, 5.6, 6.3, 7.0, 8.0, 6.9, 7.5, 8.5, 8.6, 7.1

What is the maximum temperature in November?

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The temperatures (°C) of a city for the month of November, are given below.

9.0, 5.1, 11.2, 9.3, 10.5, 9.3, 10.4, 10.5, 7.1, 10.08.3, 11.9, 7.6, 8.9, 11.0, 12.5, 12.2, 12.0, 9.2, 9.07.8, 5.6, 6.3, 7.0, 8.0, 6.9, 7.5, 8.5, 8.6, 7.1

What is the minimum temperature in November?

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The frequency distribution of heights(in cm) of 40 students of a locality is given below.

Height (in cm) 133-145 145-155 155-165 165-175 175-185
Frequency 4 11 10 8 7

What is the upper limit of the third class interval?

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The fourth and fifth grade student voted for the type of playground equipment they would like to have. Draw a double bar graph for the data

Equipment Fourth Grade Fifth Grade
Monkey bars 25 25
Basketball hoop 16 28
Soccer net 32 18

 

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In Horizontal bar graphs, the data categories are represented on _____ axis.

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The following table shows the number of visitors to a park for the months January to March.

Month January February March
Number of visitors 150 300 250

Construct a horizontal bar chart for the table.