The Global Business Travel Association reported the domestic airfare for business travel for the current year and the previous year. Below is a sample of 12 flights with their domestic airfares shown for both years. Do not round intermediate calculations. Ho: Hd S Ha Hd > What is the p-value? 600 414 675 519 225 507 549 393 567 492 330 174 a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. t-value 0 0 (to 3 decimals) Degrees of freedom p-value is between 0.005 and 0.01 ✓ Using a 0.05 level of significance, what is your conclusion? We can conclude b. What is the sample mean domestic airfare for business travel for each year? Current Year Previous Year Current Year Previous Year 591 561 624 444 504 417 Current Year $ (to 2 decimals) Previous Year $ (to 2 decimals) c. What is the percentage change in the airfare for the one-year period? S that there has been a significance increase in business travel airfares over the one-year period. 492 399 393 378 312 336

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
The Global Business Travel Association reported the domestic airfare for business travel for the current year and the previous year. Below is a sample of 12 flights with their domestic airfares shown for both years. Do not round
intermediate calculations.
Ho: Hd
S
H₂ Hd >
What is the p-value?
t-value
492
174
a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period.
0
(to 3 decimals)
Degrees of freedom
p-value is between 0.005 and 0.01 ✓
Using a 0.05 level of significance, what is your conclusion?
We can conclude
Current Year Previous Year
b. What is the sample mean domestic airfare for business travel for each year?
600
675
225
549
567
330
Current Year $
(to 2 decimals)
Previous Year $
(to 2 decimals)
c. What is the percentage change in the airfare for the one-year period?
% (to 2 decimals)
414
519
507
393
Current Year Previous Year
492
399
393
378
312
336
591
561
624
444
504
417
that there has been a significance increase in business travel airfares over the one-year period.
Transcribed Image Text:The Global Business Travel Association reported the domestic airfare for business travel for the current year and the previous year. Below is a sample of 12 flights with their domestic airfares shown for both years. Do not round intermediate calculations. Ho: Hd S H₂ Hd > What is the p-value? t-value 492 174 a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. 0 (to 3 decimals) Degrees of freedom p-value is between 0.005 and 0.01 ✓ Using a 0.05 level of significance, what is your conclusion? We can conclude Current Year Previous Year b. What is the sample mean domestic airfare for business travel for each year? 600 675 225 549 567 330 Current Year $ (to 2 decimals) Previous Year $ (to 2 decimals) c. What is the percentage change in the airfare for the one-year period? % (to 2 decimals) 414 519 507 393 Current Year Previous Year 492 399 393 378 312 336 591 561 624 444 504 417 that there has been a significance increase in business travel airfares over the one-year period.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 6 steps with 27 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