MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
38
What kind of hypothesis test is specified?
One-tailed
Two-tailed
Three-tailed
Wag-the-tail test
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Transcribed Image Text:What kind of hypothesis test is specified? One-tailed Two-tailed Three-tailed Wag-the-tail test
Two Sample Test Unequal Variance
The next seven questions refer to the following scenario:
A random sample of 16 Porsche drivers yielded an average age of 50 years with a variance of 9 years and
a random sample of also 16 Ferrari drivers yielded an average of 47 years with a variance of 25 years.
Ferrari Driver
16
Porsche Driver
16
mean
50
47
Variance
9.
25
Conduct the following hypothesis test at =0.05.
HO: Mean Age Porsche Drivers< Mean Age Ferrari Drivers
HA: Mean Age Porsche Drivers > Mean Age Ferrari Drivers
Assume unequal variance.
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Transcribed Image Text:Two Sample Test Unequal Variance The next seven questions refer to the following scenario: A random sample of 16 Porsche drivers yielded an average age of 50 years with a variance of 9 years and a random sample of also 16 Ferrari drivers yielded an average of 47 years with a variance of 25 years. Ferrari Driver 16 Porsche Driver 16 mean 50 47 Variance 9. 25 Conduct the following hypothesis test at =0.05. HO: Mean Age Porsche Drivers< Mean Age Ferrari Drivers HA: Mean Age Porsche Drivers > Mean Age Ferrari Drivers Assume unequal variance.
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