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9 Terms

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Responsible Variable
Measures an outcome of a study, also known as the dependent variable. Example: calories.
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Explanatory Variable
Looks to explain or influence a change in the response, also known as the independent variable. Example: body fat percentage.
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Bivariate Analysis
Begins by analyzing two numeric variables by plotting them in a scatter plot.
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Scatterplot
A graphical representation that shows the relationship between two numeric variables by plotting individual values as pairs.
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Multivariate Analysis
When introducing another variable beyond just two variables.
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Positive Association
Indicated when r > 0, meaning as one variable increases, the other variable also tends to increase.
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Negative Association
Indicated when r < 0, meaning as one variable increases, the other variable tends to decrease.
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No Association
Indicated when r = 0, signifying no correlation between the variables.
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Strength of Association
Evaluated using |r|; if |r| is close to 1, there is a stronger association, and if it is close to 0, the association is weaker.