Problem 2 ines z able to keep farsow f elatiey o ce on its airplanes. One of the

Question

Problem 2 ines z able to keep farsow f elatiey o ce on its airplanes. One of the main reasons for the low maintenance costs is that Southwest flies only one type of aircraft: the Boeing 737. However, Southwest flies three different versions of the 737. Suppose Southwest decides to conduct a study to determine whether there is a significant difference in the average annual maintenance costs for the three types of 737s used. State a measurable dependent variable for such a study. State a factor that might affect the independent variable, and list at least three levels. a. b.

Explanation / Answer

ANSWER:

a ) The quantifiable ward variable for such an examination is the passages charged by Southwest Airlines , as the admissions are subject to the upkeep cost of the aircrafts. Low support cost implies low passages and high upkeep cost implies high tolls . Along these lines toll charged by the Southwest Airlines is the needy variable here.

b ) Here , the indepndent variable is the upkeep cost and a factor that may influence the support cost is the distinctive forms of the Boeing 737 that the aircrafts utilizes . Presently , the aircraft utilizes three diferent adaptations of the Boeing 737 . So here there are three levels of the factor that influence the autonomous variable which is the upkeep cost . This are the three distinct forms of the Boeing 737 that the aircraft utilizes .

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