Interpret the intercept term in the linear regression model represented in Example 6.1 .

Data from Example 6.1

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Example 6.1. An investigator is interested in examining three components of a weight loss intervention. A. Keeping a food diary B. Increasing activity C. Home visit The investigator plans to investigate all 2x2x2 = 23: = 8 combinations of experimental conditions. The experimental conditions are outlined in Table 6.1. The notation (-,+) is often used to represent the two factor levels in a 2* design. In this case,