Interactive practice questions
The stacked column chart below shows the fitness levels for various categories of smokers.
What is the response variable for this chart?
Fitness level
Category of smoker
Does there appear to be an association between fitness level and category of smoker?
Yes
No
Which of the following best describes the association?
The corresponding segments are different in size, suggesting that fitness level decreases as the number of cigarettes smoked per day decreases.
The corresponding segments are different in size, which suggests that there is an association based on the age of the smokers.
The corresponding segments are different in size, suggesting that fitness level increases as the number of cigarettes smoked per day decreases.
The corresponding segments are different in size, suggesting that smoking category increases as fitness level decreases.
$170$170 people were surveyed about their music preference. The results have been recorded in the table below.
A group of year 12 students surveyed their class and recorded the hair colour and eye colour for each student. The results are displayed in the $100%$100% stacked column chart shown below.
Members of a gym were asked what kind of training they do. Each responder only did one kind of training. The table shows the results.