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Write the ion product expression for calcium phosphate, Ca3(PO4) 2.
Explanatory Variables
Variables in a statistical model that are used to explain variations in the dependent variable; also known as independent variables.
Qualitative Predictor Variables
Variables that categorize or describe data based on attributes or qualities, such as gender, color, or type, which do not have a numerical value.
Dummy Variables
Numerical variables used in regression analysis to represent subgroups of the sample in a study.
Regression Model
A statistical technique that models and approximates the relationship between a dependent variable and one or more independent variables.
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