Examlex
Which of the following is not an example of a recent vending machine-related innovation?
Coefficient of Correlation
A quantitative index showing the magnitude and direction of a linear correlation between two variables.
Y-intercept
The point where a line or curve intersects the y-axis of a graph, corresponding to the value of the dependent variable when all independent variables are zero.
Least Squares Line
A line of best fit determined by minimizing the sum of squares of the differences between observed values and the values predicted by the line.
Sample Regression Line
A line of best fit through a scatterplot of sample data points in regression analysis, used to estimate the relationship between variables.
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