뒤로Correlation Coefficient definitions
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1/15뒤로Skip to main content뒤로Correlation Coefficient
A numerical value between -1 and 1 that quantifies the strength and direction of a linear relationship between two variables. Linear Correlation Coefficient
A specific measure, denoted as r, that assesses how closely data points cluster around a straight line. Direction
Indicates whether the relationship between variables is positive or negative, based on the sign of r. Strength
Describes how tightly data points cluster around a trend line, with values near 1 or -1 showing strong association. Positive Correlation
A relationship where increases in one variable tend to accompany increases in the other, reflected by a positive r. Negative Correlation
A relationship where increases in one variable tend to accompany decreases in the other, reflected by a negative r. No Correlation
A situation where data points are scattered with no discernible trend, resulting in an r value near zero. Scatter Plot
A graphical display of paired data points used to visually assess trends or relationships between two variables. Trend Line
A straight line drawn through data points on a scatter plot to represent the general direction of the relationship. Best Fit Line
A line that most closely approximates the data in a scatter plot, minimizing the distance from all points. Graphing Calculator
An electronic device with statistical functions used to compute values like r efficiently from data sets. Diagnostic On
A calculator setting that enables the display of statistical measures such as r and r squared in output. Stat Menu
A calculator feature providing access to data entry, editing, and statistical calculations. LinReg
A calculator function that performs linear regression analysis and outputs values including r and r squared. r Squared
A value displayed alongside r in calculator output, representing the proportion of variance explained by the model.
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