Term
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Definition
is the variable whose value can be explained by the value of the explanatory or predictor variable. The dependent variables are those that are observed to change in response to the independent variables |
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Term
Explanatory (Predictor) Variable |
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Definition
| The independent variables are those that are deliberately manipulated to invoke a change in the dependent variables. In short, "if x is given, then y occurs", where x represents the independent variables and y represents the dependent variables. |
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Term
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Definition
| Is a variable that may affect the response variable, but is excluded from the analysis. |
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Term
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Definition
Is a graph that shows the relationship between two quantitative variables mearsured on the same individual. Each individual in the data set is represented by a point in the scatter diagram. The explanatory variable is plotted on the horizontal axis and the response variable is plotted on the vertical axis. Do not connect the points when drawing a scatter diagram. |
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Term
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Definition
Two variables that are linearly related are said to be positively associated when above-average values of one variable are associated with above-average values of the other variables. Whenever the values of one variable increases, the value of the other variable also increases |
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Term
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Definition
Two variables that are linearly related are said to be negativetly associated when above-average values of one variable are associated with below-average values of the other variable Whenever the value of one value increases, the value of the other variable decreases |
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Term
Linear Correlation Coefficient (Pearson product moment correlation coefficient) |
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Definition
| is the measure of the strenght of linear relation between two quantitative |
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