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. Porsche Driver Ferrari Driver 16 16 mean 50 47 Variance 9. 25 Conduct the following hypothesis test at a=0.05. HO: Mean Age Porsche Drivers< Mean Age Ferrari Drivers HA: Mean Age Porsche Drivers > Mean Age Ferrari Drivers Assume unequal variance.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter1: Equations, Inequalities, And Mathematical Modeling
Section1.3: Modeling With Linear Equations
Problem 61E
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How many degrees do you have for your hypothesis test? df=
O 22
23
24
25
Transcribed Image Text:How many degrees do you have for your hypothesis test? df= O 22 23 24 25
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.
Porsche Driver
Ferrari Driver
16
16
mean
50
47
Variance
25
Conduct the following hypothesis test at C=0.05.
HO: Mean Age Porsche Drivers< Mean Age Ferrari Drivers
HA: Mean Age Porsche Drivers > Mean Age Ferrari Drivers
Assume unequal variance.
Transcribed Image Text: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. Porsche Driver Ferrari Driver 16 16 mean 50 47 Variance 25 Conduct the following hypothesis test at C=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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