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The average number of minutes Americans commute to work is 27.7 minutes ( Sterling’s Best Places , April 13, 2012). The average commute time in minutes for 48 cities are as follows: a. What is the mean commute time for these 48 cities? b. Compute the median commute time. c. Compute the mode. d. Compute the third quartile.

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STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884

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BuyFindarrow_forward

STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884
Chapter 3.1, Problem 7E
Textbook Problem
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The average number of minutes Americans commute to work is 27.7 minutes (Sterling’s Best Places, April 13, 2012). The average commute time in minutes for 48 cities are as follows:

Chapter 3.1, Problem 7E, The average number of minutes Americans commute to work is 27.7 minutes (Sterlings Best Places,

  1. a. What is the mean commute time for these 48 cities?
  2. b. Compute the median commute time.
  3. c. Compute the mode.
  4. d. Compute the third quartile.

a.

To determine

Find the mean commute time for 48 cities.

Explanation of Solution

Calculation:

The given information is that the data represents the average commute time (in minutes) for 48 cities.

The mean commute time is calculated as follows:

x¯=xin=(23.3+28.3+24.6+32.1+31.7+25.8+38.1+24.9+26.8+23.4+28.5+28.1+29.3+24.4+23+24.8+26.2+23.4+28.4+20.1+32.2+21

b.

To determine

Find the median commute time.

c.

To determine

Find the mode.

d.

To determine

Find the third quartile.

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