Examlex
A ray of light enters a pane of glass with an angle of incidence of 37°. The index of refraction of the glass is 1.48. What is the angle of refraction as the ray emerges from the other side of the pane after traveling through the glass?
Linear Regression Line
A line that approximates the points on a scatterplot which can be used to show a trend and make predictions; also called a line of best fit or least squares line.
Scatterplot
A graph that shows the relationship of bivariate data using points on the coordinate grid.
Percentile Rank
Percentile Rank represents the percentage of scores in a distribution that a specific score is higher than or equal to, used to compare individual performance within a group.
Frequency Table
A method of displaying data by listing each distinct value and the number of times it occurs.
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