Investigating Associations Between Two Numerical Variables (VCE SSCE General Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What type of graph displays the relationship between two numerical variables?
What type of graph displays the relationship between two numerical variables?
Scatterplot
On which axis should the explanatory variable be placed?
On which axis should the explanatory variable be placed?
Horizontal (-axis)
On which axis should the response variable be placed?
On which axis should the response variable be placed?
Vertical (-axis)
What does each point on a scatterplot represent?
What does each point on a scatterplot represent?
A single case or observation
What does the term 'bivariate' mean in statistics?
What does the term 'bivariate' mean in statistics?
Working with two variables
What type of association shows one variable increasing as the other decreases?
What type of association shows one variable increasing as the other decreases?
Negative association
In the test scores example, what pattern did the scatterplot reveal?
In the test scores example, what pattern did the scatterplot reveal?
Positive association
In the aircraft example, what was the airspeed of the plane with 300 seats?
In the aircraft example, what was the airspeed of the plane with 300 seats?
Approximately 775 km/h
How many aircraft were investigated in the aircraft scatterplot example?
How many aircraft were investigated in the aircraft scatterplot example?
9 aircraft
What type of variable is airspeed in the aircraft example?
What type of variable is airspeed in the aircraft example?
Numerical variable