The following graph shows operating costs for different modes of transit. The graph includes three types of rail. Heavy rail is designed to carry more passengers than light rail, but both often make frequent stops within cities. Commuter rail is used to move people longer distances with fewer stops. According to the graph, which of the following can you conclude? The following graph shows operating costs for different modes of transit. The graph includes three types of rail. Heavy rail is designed to carry more passengers than light rail, but both often make frequent stops within cities. Commuter rail is used to move people longer distances with fewer stops. Data from Chester, M., and Horvath, A., 2009. Environmental assessment of passenger transportation should include infrastructure and supply chains. Environmental Research Letters 4: 024008 (8 pp.) According to the graph, which of the following can you conclude? (The options) Public transportation always has lower operating costs than personal automobiles. Rail operation is the most cost-effective mass transit option. Light rail is the most cost-effective option for rail service. Operating a personal automobile has the same cost, no matter the size of the city.

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter24: Percent Practical Applications

Section: Chapter Questions

Problem 41A

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Question

The following graph shows operating costs for different modes of transit. The graph includes three types of rail. Heavy rail is designed to carry more passengers than light rail, but both often make frequent stops within cities. Commuter rail is used to move people longer distances with fewer stops.

According to the graph, which of the following can you conclude?

Data from Chester, M., and Horvath, A., 2009. Environmental assessment of passenger transportation should include infrastructure and supply chains. Environmental Research Letters 4: 024008 (8 pp.)

According to the graph, which of the following can you conclude? (The options)

Public transportation always has lower operating costs than personal automobiles.

Rail operation is the most cost-effective mass transit option.

Light rail is the most cost-effective option for rail service.

Operating a personal automobile has the same cost, no matter the size of the city.

Operating costs for different modes of transit
Automobile (Small city)
Automobile (Medium city)
Automobile (Large city)
Bus
Heavy rail
Commuter rail
Light rail
$0.00
$0.20
$0.40
$0.60
Vehicle
operation
-
$0.80 -
$1.00
$1.20-
Cost per passenger-mile
Roadway
costs
Parking
costs
•
$1.40
$1.60
$1.80

Definition Definition Measure of central tendency that is the value that occurs most frequently in a data set. A data set may have more than one mode if multiple categories repeat an equal number of times. For example, in a data set with five item—3, 5, 5, 29, 473—the mode is 5 because it occurs twice and no other value occurs more than once. On a histogram or bar chart, the element with the highest bar represents the mode. Therefore, the mode is sometimes considered the most popular option. The mode is useful for nominal or categorical data (e.g., the most common color car that users purchase), but it is problematic for continuous data because it is more likely not to have any value that is more frequent than the other.

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