Interpolation and Extrapolation (HSC SSCE Mathematics Standard): Flashcards
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Another name for regression line
Another name for regression line
Line of best fit
What gradient (m) represents
What gradient (m) represents
Rate of change of dependent var per unit of independent var
What vertical intercept (b) represents
What vertical intercept (b) represents
Value of dependent var when independent var equals zero
Definition of interpolation
Definition of interpolation
Predicting values within the boundaries of existing data
Definition of extrapolation
Definition of extrapolation
Predicting values beyond the range of collected data
Reliability: interpolation vs extrapolation
Reliability: interpolation vs extrapolation
Interpolation is generally more reliable
Effect of strong linear association on predictions
Effect of strong linear association on predictions
Predictions are confident and accurate
Effect of weak linear association on predictions
Effect of weak linear association on predictions
Less confident in predictions
Why far extrapolation becomes less reliable
Why far extrapolation becomes less reliable
Relationship may change beyond observed range
Memory aid: INTER in interpolation means
Memory aid: INTER in interpolation means
INTERNAL - within the data range