BANA 2082 Study Guide - Quiz Guide: Dependent And Independent Variables

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A variable used to model the effect of categorical independent variables in a regression model which generally takes only the value zero or one is called _____. Answer: quadratic regression model: the prespecified value of the independent variable at which its relationship with the dependent variable changes in a piecewise linear regression model is referred to as the. Answer: knot: _____ refers to the scenario in which the relationship between the dependent variable and one independent variable is different at different values of a second independent variable. Answer: interaction: (a) experiment with each slider. Set the sliders to different values and observe the effect on the slopes of the regression lines. Answer: b3 (b) the groups g = 0 and g = 1 correspond to the values of the variable x1 = 0 and x1 = 1, respectively. Set all of the sliders to 0, then set b3 = 1. Now move the slider for b1 back and forth.