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Chapter 14: Analyzing Relationships Between Variables
mason.gmu.eduNonlinear relationships between variables can be represented and explained by a line on a scatter plot that is not straight, but curved in some way. a. A curvilinear relationship is described by a polynomial equation, which means that it
Unit 9 Describing Relationships in Scatter Plots and Line ...
lycofs01.lycoming.edunonlinear relationships. The scatter plot of Figure 9-1i illustrates a situation where as one variable increases in value, the other variable tends to decrease; this can also be said about Figure 9-1d, but the relationship we see in Figure 9-1d can be described with a straight line, whereas the relationship we see in Figure 9-1i is better
Nonlinear relationships - University of Notre Dame
www3.nd.eduNonlinear Relationships Page 3 . Polynomial models can estimate such relationships. A polynomial model can be appropriate if it is thought that the slope of the effect of …