Plotting of Bar Graphs

Q. The top speed of the four animals are as follows:

Animal	Speed(mph)
Peregrine Falcon	200
Frigatebird	95
Sailfish	68
Cheetah	61

The corresponding bar graph for the following data would be:

1. 
2. 
3. 

Q. Choose the correct option(s) for plotting of bar graphs.

1. Number of rectangular bars is equal to the frequency of a category.
2. Number of rectangular bars is equal to the number of a categories.
3. Height of a rectangular bars represents the number of categories present in the data set.
4. Height of a rectangular bars represents the frequency of the respective category.

Q. The bar graph for the following data:
is shown below:

Which savings(in percentage) is done by the least number of employees?

1. $20$
2. $29$
3. $40$

Q. The following is a chart of the revenue generated in a cafeteria on various food products over the course of a week: Food Items Revenue $\left(\$\right)$

Burger	500
Pizza	600
Pasta	400

Choose the inaccurate bar graph.

1. 
2. 
3. 
4. 

Q. Hannah collected the data for types of birds that came into her garden for 20 minutes duration with the following notations:
Name of Birds Notation

Robin	R
Dove	D
Sparrow	S

Collected data set: {R D S S D D D R R}

Find the height of the rectangular bar corresponding to category 'Dove' when the data set is plotted in a vertical bar graph.

units.

Q. For the bar graph shown in the figure, June has the highest number of birthdays.

1. False
2. True

Q.

The adjacent bar graph gives the profit before tax of a company. Read it and answer the questions that follow:

Is the company showing good results?

Q. The marks distribution of students in a class is as follows: Marks Number of Students

80 - 100	5
60 - 80	20
40 - 60	10
0 - 40	3

Is it possible to plot bar graph using the given data? Answer in Yes/No.