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A questionnaire is sent to 1,000 police departments in Florida and gathers information on the number of sick days officers use after being involved in a shooting incident. This is an example of ____ research.
Y-intercept
The point on a graph where a line intersects the Y-axis, often used to represent the starting value of a relationship in linear equations.
Slope
Measures the steepness or incline of a line, calculated as the ratio of vertical change to horizontal change between any two points on the line.
F Statistic
A ratio of variances used in the analysis of variance (ANOVA) to assess the significance of the difference between group means.
Least Squares Regression
A statistical method used to determine the line of best fit by minimizing the sum of squares of the differences between observed values and those predicted by a linear model.
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