Comparing the Distribution of a Numerical Variable Across Groups (VCE SSCE General Mathematics): 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 relationship is investigated when comparing distributions across groups?
What relationship is investigated when comparing distributions across groups?
Between a numerical & categorical variable
When are back-to-back stem plots most suitable for comparing distributions?
When are back-to-back stem plots most suitable for comparing distributions?
For two small data sets
Which measure should be used to compare the centre of distributions?
Which measure should be used to compare the centre of distributions?
Median
Which measure should be used to compare the spread of distributions?
Which measure should be used to compare the spread of distributions?
IQR
In a back-to-back stem plot, where is the stem positioned?
In a back-to-back stem plot, where is the stem positioned?
In the middle
How many key steps are there for writing a comparison of distributions?
How many key steps are there for writing a comparison of distributions?
Three steps
What type of language should be used when comparing statistics?
What type of language should be used when comparing statistics?
Comparative language
What advantage do parallel boxplots have over back-to-back stem plots?
What advantage do parallel boxplots have over back-to-back stem plots?
They can compare more than two groups
In parallel boxplots, what represents the median?
In parallel boxplots, what represents the median?
The vertical line inside the box
In parallel boxplots, what represents the IQR?
In parallel boxplots, what represents the IQR?
The width of the box