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а. Which state has a shorter median commuting time? Explain. b. Which state would have a greater standard deviation? How do you know? c. The shape of the distribution of travel times in North Carolina would be characterized as roughly symmetric, skewed right, or skewed left? Briefly explain. d. Identify the 75th percentile of North Carolina's commuting times and explain what this means.

а. Which state has a shorter median commuting time? Explain. b. Which state would have a greater standard deviation? How do you know? c. The shape of the distribution of travel times in North Carolina would be characterized as roughly symmetric, skewed right, or skewed left? Briefly explain. d. Identify the 75th percentile of North Carolina's commuting times and explain what this means.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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20. An investigator wished to compute all travel times between New York and North Carolina. The following plot summarizes the travel times for the two states (with time in minutes). New York North Carolinat 60 40 Travel Time to Work (minutes) а. Which state has a shorter median commuting time? Explain. b. Which state would have a greater standard deviation? How do you know? The shape of the distribution of travel times in North Carolina would be characterized as roughly symmetric, skewed right, or skewed left? Briefly explain. С. d. Identify the 75th percentile of North Carolina's commuting times and explain what this means.
Transcribed Image Text:20. An investigator wished to compute all travel times between New York and North Carolina. The following plot summarizes the travel times for the two states (with time in minutes). New York North Carolinat 60 40 Travel Time to Work (minutes) а. Which state has a shorter median commuting time? Explain. b. Which state would have a greater standard deviation? How do you know? The shape of the distribution of travel times in North Carolina would be characterized as roughly symmetric, skewed right, or skewed left? Briefly explain. С. d. Identify the 75th percentile of North Carolina's commuting times and explain what this means.
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