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Case problem on North-south airline: Regression Analysis
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See Attached
- Prepare a Peg Jone’s response to Stephen Ruth.
© BrainMass Inc. brainmass.com March 21, 2019, 1:33 pm ad1c9bdddf
https://brainmass.com/business/business-management/north-south-airline-case-99575
Attachments 6-case[1].doc
Solution Preview
Please see the attached file.
Peg’s response to Stephen Ruth
Using Excel, four regression equations are developed for the Cost Vs Age. Following are the equations:
For Northern Airlines:
Airframe maintenance cost = 36.097 + Average fleet age * 0.0026
Coefficient of Correlation, r=0.877
Coefficient of Determination, r2 = 0.769
Engine maintenance cost = 20.571 + Average fleet age * 0.0026
Coefficient of Correlation, r=0.783
Coefficient of Determination, r2 = 0.612
It can be seen from the r2 value of 0.769 that there is a moderate relationship between the Air frame maintenance cost and the Air fleet age. This means that Air fleet age determines only 76.9% of variation …
