Statistics (Grade 12 NSC Matric Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is curve fitting primarily used for?
What is curve fitting primarily used for?
Finding patterns & making predictions
What does the line of best fit minimise?
What does the line of best fit minimise?
Distance between itself and all points
Which technique is more reliable for predictions?
Which technique is more reliable for predictions?
Interpolation
Interpolation predicts values that fall where?
Interpolation predicts values that fall where?
Within the range of available data
In the equation , what does represent?
In the equation , what does represent?
The y-intercept
How is the y-intercept calculated using means?
How is the y-intercept calculated using means?
What is the range of the correlation coefficient ?
What is the range of the correlation coefficient ?
What does a correlation coefficient close to 0 indicate?
What does a correlation coefficient close to 0 indicate?
Weak correlation
What value of represents perfect positive correlation?
What value of represents perfect positive correlation?
What important principle relates correlation and causation?
What important principle relates correlation and causation?
Correlation does not imply causation