# Construct a graphic representation of the data

May 5th, 2015
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To compare commuting times in various locations, independent random samples were obtained from the six cities presented in the "Longest Commute to Work" graphic on page 255 in your textbook. The samples were from workers who commute to work during the 8:00 a.m. rush hour. One-way Travel to Work in Minutes Atlanta Boston Dallas Philadelphia Seattle St. Louis 29 18 42 29 30 15 21 37 25 20 23 24 20 27 26 33 31 42 15 25 32 37 39 23 37 32 20 42 14 33 26 34 26 18 48 35 and so on...

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Construct a graphic representation of the dataTo compare commuting times in various locations, independent random samples were obtained from the six cities presented in the "Longest Commute to Work" graphic on page 255 in your textbook. The samples were from workers who commute to work during the 8:00 a.m. rush hour. One-way Travel to Work in MinutesAtlanta Boston Dallas Philadelphia Seattle St. Louis29 18 42 29 30 1521 37 25 20 23 2420 27 26 33 31 4215 25 32 37 39 2337 32 20 42 14 3326 34 26 1848 35 a. Construct a graphic representation of the data using six side-by-side dotplots.Answer:b. Visually estimate the mean commute time for each city and locate it with an X.Answer:c. Does it appear that different cities have different effects on the average amount of time spent by workers who commute to work during the 8:00 a.m. rush hour? Explain.Answer: No. It appears that different cities have nearly the same effects on the average amount of time spent by workers who commute to work during the 8:00 am because values are close to 30.d. Does it visually appear that different cities have different effects on the variation in the amount of time spent by workers who commute to work during the 8:00 a.m. rush hour? Explain.Answer: Yes. It appears that different cities have different effects on the variation in the amount of time. For example, in the city Atlanta the values vary from 15 to 48 minutes, and in the city Boston from 18 to 3

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