Bivariate Data (HSC SSCE Mathematics Advanced): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is bivariate data?
What is bivariate data?
Data with two related variables
What is the independent variable in bivariate data?
What is the independent variable in bivariate data?
Variable that might influence the other
What is the range of Pearson's correlation coefficient ?
What is the range of Pearson's correlation coefficient ?
What does indicate?
What does indicate?
Perfect positive correlation
In positive correlation, what happens as increases?
In positive correlation, what happens as increases?
tends to increase
What indicates strong correlation on a scatterplot?
What indicates strong correlation on a scatterplot?
Points cluster tightly around a line
What is the purpose of the line of best fit?
What is the purpose of the line of best fit?
Represent overall trend and make predictions
Which type of prediction is relatively safe?
Which type of prediction is relatively safe?
Interpolation within data range
How do outliers affect correlation in small datasets?
How do outliers affect correlation in small datasets?
Can significantly affect it
Does correlation imply causation?
Does correlation imply causation?
No, correlation doesn't imply causation