Fuel Consumption Data (mi/gal) Highway fuel consumption (mi/gal) 40- 35- 30- Car A Car B X
Fuel Consumption Data (mi/gal) Highway fuel consumption (mi/gal) 40- 35- 30- Car A Car B X
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Fuel Consumption Data (mi/gal)
Highway fuel consumption (mi/gal)
40+
35+
30-
Car A
Print
Car B
Done
N
Transcribed Image Text:The accompanying figure shows the highway fuel consumption (mi/gal) for two different models of car. How is the graph misleading? How could it be drawn so that it is not misleading?
Click the icon to view the figure.
How is the graph misleading?
A. The graph is misleading because the height of each bar is proportional to the fuel consumption for the two cars, but the area of each bar is proportional to the square of each car's fuel
consumption.
B. The graph is misleading because the fuel consumption for each car is given in different units.
C. The graph is misleading because the vertical axis scale does not start at zero.
D. The graph is misleading because it does not use a uniform scale for the vertical axis.
How could the graph be drawn so that it is not misleading?
A. By keeping the width of each bar in the graph constant while their heights vary, the area of each bar will be proportional to the fuel consumption of each car and the graph will not be
misleading.
B. By using a uniform scale on the vertical axis, the graph will not be misleading.
C. By giving the fuel consumption for each car in the same units, the graph will not be misleading.
D. By starting the vertical scale 0, the graph will not be misleading.
Expert Solution
Step 1
A bar graph represents the data by using vertical or horizontal bars. The larger the bar, the higher the value for the individual category. Usually the horizontal axis is labelled with the categories of data and the vertical axis represent the frequency. In bar chart, each bar needs to be of equal width and equal gaps as it represents the discrete data.
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