One-Way Airfares The average one-way airfare from Pittsburgh to Washington D.C. is $236. A random sample of 21 one-way fares during a particular month had a mean of $214 with a standard deviation of $43. At a=0.02, is there sufficient evidence to conclude a difference from the stated mean?  Part 1. State the hypotheses and identify the claim with the correct hypothesis.   Part 2. State the hypotheses and identify the claim with the correct hypothesis.   Part 3. Compute the test value. Always round score values to two decimal places.   Part 4. Find the -value. Round the answer to four decimal places.   Part 5. Reject or not to reject the null hypothesis. Part 6. Use the sample statistics to construct a  99% confidence interval for the true mean one-way airfare from Pittsburgh to Washington, D.C. Round your answers to two decimal places. Part 7. Do they support or contradict one another?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

One-Way Airfares The average one-way airfare from Pittsburgh to Washington D.C. is $236. A random sample of 21 one-way fares during a particular month had a mean of $214 with a standard deviation of $43. At a=0.02, is there sufficient evidence to conclude a difference from the stated mean? 

Part 1. State the hypotheses and identify the claim with the correct hypothesis.

 

Part 2. State the hypotheses and identify the claim with the correct hypothesis.

 

Part 3. Compute the test value. Always round score values to two decimal places.

 

Part 4. Find the -value. Round the answer to four decimal places.

 

Part 5. Reject or not to reject the null hypothesis.

Part 6. Use the sample statistics to construct a  99% confidence interval for the true mean one-way airfare from Pittsburgh to Washington, D.C. Round your answers to two decimal places.

Part 7. Do they support or contradict one another?

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 2 images

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman