An airline wants to select a computer software package for its reservation system. Four software packages (1, 2, 3, and 4) are commercially available. The airline will choose the package that bumps as few passengers, on the mean, as possible during a month. An experiment is set up in which each package is used to make reservations for 5 randomly selected weeks. (A total of 20 weeks was included in the experiment.) The number of passengers bumped each week is given below. How should the data be analyzed? 
Definitions:
Regression Analysis
A statistical method for examining the relationship between a dependent variable and one or more independent variables.
Average Attendance
The mean number of individuals present at a series of events or over a period of time.
NHL Team
a professional ice hockey team that is a member of the National Hockey League.
Linear Model
A mathematical representation of a relationship between two or more variables where the relationship is modeled as a straight line.
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