Answer to Question #44513 in Statistics and Probability for yesy

Question #44513
IQ of professional Pilots
The Wechsler IQ test is designed so that the mean is 100 and the standard deviation is 15 for the population of normal adults. Listed below are IQ scores of randomly selected professional pilots. It is claimed that because professional pilots are a more homogeneous group than the general population, they have IQ scores with a standard deviation less than 15. Test that claim using a 0.05 significance level.
Assume that a simple random sample is selected from a normally distributed population.
121 116 115 121 116 107 127 98 116 101 130 114
Identify the null hypothesis:

Alternative hypothesis:
Test statistic:
P-Value or critical value(s):
1
Expert's answer
2014-07-29T12:52:12-0400
The answer to the question is available in the PDF file https://www.assignmentexpert.com/https://www.assignmentexpert.com/homework-answers/mathematics-answer-44513.pdf

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!

Leave a comment

LATEST TUTORIALS
New on Blog
APPROVED BY CLIENTS