click below
click below
Normal Size Small Size show me how
Alg w Finance 2.2
Term | Definition |
---|---|
Line of best fit | A line that approximates the points on a scatter plot which can be used to show a trend and make predictions |
linear regression line | A line that approximates the points on a scatter plot which can be used to show a trend and make predictions |
least square line | A line that approximates the points on a scatter plot which can be used to show a trend and make predictions |
domain | the first elements of the ordered pair ( x- value) |
range | The second elements of the ordered pair ( y- value) |
interpolation | to predict corresponding y values given a x value within the domain |
extrapolation | to predict corresponding values outside of the domain |
correlation coeffecient | r, is a number between -1 and 1 inclusive that is used to judge how closely a line fits the data. |
strong correlation | correlation coefficients with an absolute value greater than 0.75 |
weak correlation | correlation coefficients with an absolute value less than 0.3 |
moderate correlation | correlation that is not strong or weak. |