SCENARIO 18-6 a Weight-Loss Clinic Wants to Use Regression Analysis

question 320

Multiple Choice

SCENARIO 18-6 A weight-loss clinic wants to use regression analysis to build a model for weight-loss of a client (measured in pounds) .Two variables thought to affect weight-loss are client's length of time on the weight loss program and time of session.These variables are described below: Y = Weight-loss (in pounds) = Length of time in weight-loss program (in months) = 1 if morning session, 0 if not = 1 if afternoon session, 0 if not (Base level = evening session) Data for 12 clients on a weight-loss program at the clinic were collected and used to fit the interaction model: Partial output from Microsoft Excel follows:
-Referring to Scenario 18-6, in terms of the in the model, give the mean change in weight-loss (Y) for every 1 month increase in time in the program ( when attending the afternoon session.

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