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How much time do Americans living in or near cities spend waiting in traffic, and how much does waiting in traffic cost them per year? The fileÂ CongestionÂ includes this cost for 31 cities. (Source: Data extracted from “The High Cost of Congestion,”Â Time, October 17, 2011, p. 18.) For the time Americans living in or near cities spend waiting in traffic and the cost of waiting in traffic per year:

- Compute the
mean ,median , firstquartile , and third quartile. - Compute the
range ,interquartile range , variance, standard deviation, and coefficient of variation. - Construct a boxplot. Are the data skewed? If so, how?
- Compute the
correlation coefficient between the time spent sitting in traffic and the cost of sitting in traffic. - Based on the results of (a) through (c), what conclusions might you reach concerning the time spent waiting in traffic and the cost of waiting in traffic.

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# Chapter 3 Solutions

Business Statistics: A First Course (7th Edition)

# Additional Math Textbook Solutions

An Introduction to Mathematical Statistics and Its Applications (6th Edition)

Elementary Statistics Using Excel (6th Edition)

Essentials of Statistics (6th Edition)

Basic Business Statistics, Student Value Edition (13th Edition)

Elementary Statistics: Picturing the World (7th Edition)

Elementary Statistics: Picturing the World (6th Edition)

- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill