Investigating Associations Between Categorical Variables (VCE SSCE General Mathematics): Quizzes
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Practise the questions
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Practise the questions
10 questions from this quiz
What does it mean when two variables are associated?
What does it mean when two variables are associated?
They are related or connected in some way
What is another name for a two-way frequency table?
What is another name for a two-way frequency table?
Contingency table
Which variable might explain or influence the other variable?
Which variable might explain or influence the other variable?
Explanatory variable
In a two-way table, which variable's categories label the rows?
In a two-way table, which variable's categories label the rows?
Response variable
How are column percentages calculated?
How are column percentages calculated?
Divide cell by column sum, multiply by 100
When do percentages indicate an association exists?
When do percentages indicate an association exists?
When they differ substantially across a row
Why use percentages instead of raw frequencies?
Why use percentages instead of raw frequencies?
For fair comparison when group sizes differ
What does a segmented bar chart display?
What does a segmented bar chart display?
Info from percentaged two-way freq. table
In a segmented bar chart, what height does each bar reach?
In a segmented bar chart, what height does each bar reach?
100%
What should be included when reporting findings about association?
What should be included when reporting findings about association?
Specific percentages and clear conclusion