55 30 50 15 2 Speed of Highway Drivers 60 50 40 30 20 10 50 55 60 65 70 75 80 85 Speed (in mph) a. What kind of graph above was used to display the frequency information? b. Should this kind of graph be used to display this particular freguency information? Why or why not? . Describe the shane of the distribution (be specific) Numberof Drivers
55 30 50 15 2 Speed of Highway Drivers 60 50 40 30 20 10 50 55 60 65 70 75 80 85 Speed (in mph) a. What kind of graph above was used to display the frequency information? b. Should this kind of graph be used to display this particular freguency information? Why or why not? . Describe the shane of the distribution (be specific) Numberof Drivers
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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a. What kind of graph above was used to display the frequency information?
b. Should this kind of graph be used to display this particular freguency
information? Why or why not?
c. Describe the shape of the distribution (be specific).
The distribution is unimodal
d. Calculate the mean, median, and mode (Hint: Look carefully at the
frequency table and graph).
e. What would be the value of the mean if we added a constant of 4 to each x
listed in the table?
f. Theoretically, if there were no drivers that drove 80 or 85 mph, would the value
of the mean stay the same, get smaller, or get larger? Why?
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