The domestic airfare for business travel for the current year and the previous year was reported. A sample of 12 flights with their domestic airfares shown for both years is contained in the Excel Online file below. Construct a spreadsheet to answer the following questions. Due to a recent change by Microsoft you will need to open the XLMiner Analysis ToolPak add-in manually from the home ribbon. Screenshot of ToolPak X Open spreadsheet a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. Ho: 1-2 0 H₂:41-42 0 What are the t-value, degrees of freedom, and p-value t-value Degrees of freedom p-value (to 4 decimals) Using a .05 level of significance, what is your conclusion? We (to 4 decimals) Current Year: $ Previous Year: $ that there has been a significance increase in business travel airfares over the one-year period. b. What is the sample mean domestic airfare for business travel for each year? (to 2 decimals) (to 2 decimals) c. What is the percentage change in the airfare for the one-year period? % (to 2 decimals)
The domestic airfare for business travel for the current year and the previous year was reported. A sample of 12 flights with their domestic airfares shown for both years is contained in the Excel Online file below. Construct a spreadsheet to answer the following questions. Due to a recent change by Microsoft you will need to open the XLMiner Analysis ToolPak add-in manually from the home ribbon. Screenshot of ToolPak X Open spreadsheet a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. Ho: 1-2 0 H₂:41-42 0 What are the t-value, degrees of freedom, and p-value t-value Degrees of freedom p-value (to 4 decimals) Using a .05 level of significance, what is your conclusion? We (to 4 decimals) Current Year: $ Previous Year: $ that there has been a significance increase in business travel airfares over the one-year period. b. What is the sample mean domestic airfare for business travel for each year? (to 2 decimals) (to 2 decimals) c. What is the percentage change in the airfare for the one-year period? % (to 2 decimals)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 25PPS
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Transcribed Image Text:Excel template - Saved
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Part c
One-year Increase
Data
fx After reading these instructions delete all text in this shaded area.
B
с
D
Previous Year
255
597
279
432
285
513
570
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414
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Review
Can we conclude that there has been a
significance increase in business travel
airfares over the one-year period? (Enter
"Can conclude" or "Cannot conclude")
View
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Part a
After reading these instructions delete all text in this shaded area.
Use the XLMiner Analysis ToolPak to conduct your t-Test analysis.
After deleting all text in this shaded area, set the output range in
the ToolPak to the top left cell of this area (D2).
Your t-Test analysis output should fit into this shaded area.
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Transcribed Image Text:The domestic airfare for business travel for the current year and the previous year was reported. A sample of 12 flights with their domestic airfares shown for both years is contained
in the Excel Online file below. Construct a spreadsheet to answer the following questions.
Due to a recent change by Microsoft you will need to open the XLMiner Analysis ToolPak add-in manually from the home ribbon. Screenshot of ToolPak
Open spreadsheet
a. Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period.
Ho: 1-2 ↑ 0
H₂ : 1 - 2
↑
What are the
t-value, degrees of freedom, and
p-value
t-value
Degrees of freedom
p-value
We
(to 4 decimals)
Using a .05 level of significance, what is your conclusion?
(to 4 decimals)
Current Year: $
Previous Year: $
that there has been a significance increase in business travel airfares over the one-year period.
b. What is the sample mean domestic airfare for business travel for each year?
(to 2 decimals)
(to 2 decimals)
c. What is the percentage change in the airfare for the one-year period?
% (to 2 decimals)
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