10.7. Model Building
This chapter and Chapter 9 introduced you to many different topics in regression analysis. In this section, you learn a structured approach to building the most appropriate regression model.
To begin, the director of operations for a television station needs to look for ways to reduce labor expenses. Currently, the unionized graphic artists at the station receive hourly pay for a significant number of hours in which they are idle. These hours are called standby hours. You have collected data concerning standby hours and four factors that you suspect are related to the excessive number of standby hours the station is currently experiencing: the total number of staff present, remote hours, Dubner hours, and total labor hours. ...
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