Measuring Correlation (Leaving Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does correlation measure?
What does correlation measure?
Strength & direction of relationship
Which letter represents the correlation coefficient?
Which letter represents the correlation coefficient?
What is the range of possible values for the correlation coefficient ?
What is the range of possible values for the correlation coefficient ?
Between and
What value of indicates perfect positive correlation?
What value of indicates perfect positive correlation?
What value of indicates perfect negative correlation?
What value of indicates perfect negative correlation?
What value of indicates no correlation?
What value of indicates no correlation?
Which correlation coefficient shows the strongest relationship?
Which correlation coefficient shows the strongest relationship?
What determines the strength of correlation on a scatter plot?
What determines the strength of correlation on a scatter plot?
How close points cluster to a line
In positive correlation, what happens as one variable increases?
In positive correlation, what happens as one variable increases?
The other variable increases
Which statement correctly describes and ?
Which statement correctly describes and ?
strong negative, weak positive
What type of relationship does the correlation coefficient detect?
What type of relationship does the correlation coefficient detect?
Linear relationships only
What does indicate about the variables?
What does indicate about the variables?
No linear relationship exists