200 150 100 50 -9.00 -1.50 6.00 site2-site4 (mph) # of Readings
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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Windy, part II In Exercise 12, we saw summary statis-
tics for wind speeds at two sites near each other, both
tics for wind speeds at two sites near each other, both
being considered as locations for an electricity-generating
wind turbine. The data, recorded every 6 hours for a year,
showed each of the sites had a mean wind speed high
enough to qualify, but how can we tell which site is best?
Here are some displays:
wind turbine. The data, recorded every 6 hours for a year,
showed each of the sites had a mean wind speed high
enough to qualify, but how can we tell which site is best?
Here are some displays:
a) The boxplots show outliers for each site, yet the histo-
gram shows none. Discuss why.
gram shows none. Discuss why.
b) Which of the summaries would you use to select
between these sites? Why?
between these sites? Why?
c) Using the information you have, discuss the assump-
tions and conditions for paired t inference for these
tions and conditions for paired t inference for these
data. (Hint: Think hard about the independence
assumption in particular.)
assumption in particular.)
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