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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Introduction to Business
Chapter 10.5, Problem 10.42E
Statistics
7th Edition
Textbook Problem
WEIERS
Ask
Buy 2
Publisher: Cengage Learning
ISBN: 9781111792374
The average age of passenger cars in use in the United States is 9.0
years. For a simple random sample of 34 vehicles observed in the
employee parking area of a large manufacturing plant, the
average age is 10.4 years, with a standard deviation of 3.1 years. At
Solutions
Chapter
the 0.01 level
10 Hypothesis Tests Involving A Sa -
of significance, can we conclude that the average age of cars
qu
driven to work by the plant's employees is greater than the
national average? Source: polk.com, August 9, 2006.
Section
tim
10.5 Testing A Mean, Population S-
Problem 10.39E
This textbook solution is under construction.
Would you like us to notify you when it is availa
Problem 10.4OE
Problem 10.41E
Be the first to know
Problem 10.42E
Problem 10.43E
Chapter 10.5,
Chapter 10.5,
->
Problem 10.44E
Problem 10.41E
Problem 10.43E
Problem 10.45E
Problem 10.46E
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Transcribed Image Text:Introduction to Business Chapter 10.5, Problem 10.42E Statistics 7th Edition Textbook Problem WEIERS Ask Buy 2 Publisher: Cengage Learning ISBN: 9781111792374 The average age of passenger cars in use in the United States is 9.0 years. For a simple random sample of 34 vehicles observed in the employee parking area of a large manufacturing plant, the average age is 10.4 years, with a standard deviation of 3.1 years. At Solutions Chapter the 0.01 level 10 Hypothesis Tests Involving A Sa - of significance, can we conclude that the average age of cars qu driven to work by the plant's employees is greater than the national average? Source: polk.com, August 9, 2006. Section tim 10.5 Testing A Mean, Population S- Problem 10.39E This textbook solution is under construction. Would you like us to notify you when it is availa Problem 10.4OE Problem 10.41E Be the first to know Problem 10.42E Problem 10.43E Chapter 10.5, Chapter 10.5, -> Problem 10.44E Problem 10.41E Problem 10.43E Problem 10.45E Problem 10.46E Explore similar questions
Expert Solution
Check Mark
Step 1

Given,

μ=9n=34x=10.4s=3.1α=0.01

The hypothesis to be tested here:

H0:μ=9H1:μ>9

This is right-tailed test.

The test statistics is obtained as-

t=x-μsn=10.4-93.134=2.633

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