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 n 16 16 mean 50 47 Variance 6. 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

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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Please answer the question contained in the following picture
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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ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,