Pearson’s Correlation Coefficient (HSC SSCE Mathematics Standard): Quizzes
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Practise the questions
10 questions from this quiz
What symbol denotes Pearson's correlation coefficient?
What symbol denotes Pearson's correlation coefficient?
What is the range of possible values for ?
What is the range of possible values for ?
to
A correlation coefficient of is classified as:
A correlation coefficient of is classified as:
Strong positive
In a negative correlation, as one variable increases, the other variable:
In a negative correlation, as one variable increases, the other variable:
Decreases
A value of indicates which strength of association?
A value of indicates which strength of association?
Moderate negative
What does indicate?
What does indicate?
No linear relationship
When , all data points on a scatterplot:
When , all data points on a scatterplot:
Lie exactly on an upward sloping line
The sign of (positive or negative) tells us about the:
The sign of (positive or negative) tells us about the:
Direction of the relationship
A high correlation between two variables proves that:
A high correlation between two variables proves that:
Neither causes the other necessarily
A correlation coefficient of is classified as:
A correlation coefficient of is classified as:
Weak positive