Curve Fitting (Grade 12 NSC Matric Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is curve fitting?
What is curve fitting?
Identifying math relationships via scatter
When is a relationship between variables considered positive?
When is a relationship between variables considered positive?
High values occur with high values
What indicates a strong relationship in a scatter plot?
What indicates a strong relationship in a scatter plot?
Points lie close to a recognisable pattern
What shape does a quadratic relationship form?
What shape does a quadratic relationship form?
U-shaped or inverted U-shaped curve
What property should a line of best fit have?
What property should a line of best fit have?
Equal points above and below the line
In the equation , what does represent?
In the equation , what does represent?
The gradient (slope)
Which prediction method is generally more reliable?
Which prediction method is generally more reliable?
Interpolation
What is interpolation?
What is interpolation?
Predicting values within the data range
What does the least squares method minimize?
What does the least squares method minimize?
Sum of squared distances to the line
What important concept should be remembered about correlation?
What important concept should be remembered about correlation?
Correlation doesn't imply causation