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 file “congestion.xlsx” includes this cost for 31 cities. For the time Americans living in or near cities spend waiting in traffic and the cost of waiting in traffic per year: (Please see the excel file. It is in the same location with this question file). a. Compute the mean, median, first quartile, and third quartile. (Use Excel -Data Analysis to solve this problem) b. Compute the range, interquartile range, variance, standard deviation, and coefficient of variation. (Use Excel -Data Analysis to solve this problem) c. Construct a boxplot. Are the data skewed? If so, how? d. Compute the correlation coefficient between the time spent sitting in traffic and the cost of sitting in traffic. e. 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. City Annual Time Sitting in Traffic (hours) Cost of Sitting in Traffic ($) Boston 47 980 New York 54 1126 Philadelphia 42 864 Washington 74 495 Miami 38 785 Detroit 33 687 Cleveland 20 383 Minneapolis 45 916 Milwaukee 27 541 Chicago 71 1568 St. Louis 30 642 Nashville 35 722 Memphis 23 477 Atlanta 43 824 New Orleans 35 746 Omaha 21 389 Wichita 20 379 Dallas 45 924 Houston 57 1171 Denver 49 993 Albuquerque 25 525 Phoenix 35 821 Salt Lake City 27 512 Las Vegas 28 512 Boise 19 345 Seattle 44 942 Portland 37 744 San Francisco 50 1019 San Jose 37 721 Los Angeles 64 1334 San Diego 38 794
How much time do Americans living in or near cities spend waiting in traffic, and how much does waiting in traffic cost them per year? The file “congestion.xlsx” includes this cost for 31 cities. For the time Americans living in or near cities spend waiting in traffic and the cost of waiting in traffic per year: (Please see the excel file. It is in the same location with this question file). a. Compute the mean, median, first quartile, and third quartile. (Use Excel -Data Analysis to solve this problem) b. Compute the range, interquartile range, variance, standard deviation, and coefficient of variation. (Use Excel -Data Analysis to solve this problem) c. Construct a boxplot. Are the data skewed? If so, how? d. Compute the correlation coefficient between the time spent sitting in traffic and the cost of sitting in traffic. e. Based on the results of (a) through (c), what conclusions might you reach concerning the time spent waiting in traffic and the cost of waiting in traffic. City Annual Time Sitting in Traffic (hours) Cost of Sitting in Traffic ($) Boston 47 980 New York 54 1126 Philadelphia 42 864 Washington 74 495 Miami 38 785 Detroit 33 687 Cleveland 20 383 Minneapolis 45 916 Milwaukee 27 541 Chicago 71 1568 St. Louis 30 642 Nashville 35 722 Memphis 23 477 Atlanta 43 824 New Orleans 35 746 Omaha 21 389 Wichita 20 379 Dallas 45 924 Houston 57 1171 Denver 49 993 Albuquerque 25 525 Phoenix 35 821 Salt Lake City 27 512 Las Vegas 28 512 Boise 19 345 Seattle 44 942 Portland 37 744 San Francisco 50 1019 San Jose 37 721 Los Angeles 64 1334 San Diego 38 794
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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 file “congestion.xlsx” includes this cost for 31 cities. For the time Americans living in or near cities spend waiting in traffic and the cost of waiting in traffic per year: (Please see the excel file. It is in the same location with this question file).
a. Compute the mean, median, first quartile , and third quartile. (Use Excel -Data Analysis to solve this problem)
b. Compute the range , interquartile range , variance, standard deviation, and coefficient of variation. (Use Excel -Data Analysis to solve this problem)
c. Construct a boxplot. Are the data skewed? If so, how?
d. Compute the correlation coefficient between the time spent sitting in traffic and the cost of
sitting in traffic.
e. 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.
| City |
Annual Time Sitting in Traffic (hours)
|
Cost of Sitting in Traffic ($)
|
||
| Boston | 47 | 980 | ||
| New York | 54 | 1126 | ||
| Philadelphia | 42 | 864 | ||
| Washington | 74 | 495 | ||
| Miami | 38 | 785 | ||
| Detroit | 33 | 687 | ||
| Cleveland | 20 | 383 | ||
| Minneapolis | 45 | 916 | ||
| Milwaukee | 27 | 541 | ||
| Chicago | 71 | 1568 | ||
| St. Louis | 30 | 642 | ||
| Nashville | 35 | 722 | ||
| Memphis | 23 | 477 | ||
| Atlanta | 43 | 824 | ||
| New Orleans | 35 | 746 | ||
| Omaha | 21 | 389 | ||
| Wichita | 20 | 379 | ||
| Dallas | 45 | 924 | ||
| Houston | 57 | 1171 | ||
| Denver | 49 | 993 | ||
| Albuquerque | 25 | 525 | ||
| Phoenix | 35 | 821 | ||
| Salt Lake City | 27 | 512 | ||
| Las Vegas | 28 | 512 | ||
| Boise | 19 | 345 | ||
| Seattle | 44 | 942 | ||
| Portland | 37 | 744 | ||
| San Francisco | 50 | 1019 | ||
| San Jose | 37 | 721 | ||
| Los Angeles | 64 | 1334 | ||
| San Diego | 38 | 794 |
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