State whether the following data is categorical or numerical.  If numerical, state whether discrete or continuous.

1. The distance thrown by the 15 years javelin champion.  (1 mark)
   

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2. The types of fruit used in a fruit salad.  (1 mark)
   

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3. The number of students travelling to the Year 7 camp by bus.  (1 mark)
   

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Match each variable with its classification on the right.  (2 marks)

Classify the following as either categorical or numerical data. 

1. The colours of the cars entering a shopping centre.  (1 mark)
   

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2. The temperatures recorded in Brisbane over a 2 week period.  (1 mark)
   

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The variables age (under 55 years, 55 years and over) and preferred travel destination (domestic, international) are

1. both categorical variables.
2. both numerical variables.
3. a numerical variable and a categorical variable respectively.
4. a categorical variable and a numerical variable respectively.

The variables blood pressure (low, normal, high) and age (under 50 years, 50 years or over) are

1. both nominal variables.
2. both ordinal variables.
3. a nominal variable and an ordinal variable respectively.
4. an ordinal variable and a nominal variable respectively.

The variables recovery time after exercise (in minutes) and fitness level (below average, average, above average) are

1. both numerical.
2. an ordinal variable and a nominal variable respectively.
3. a numerical variable and a nominal variable respectively.
4. a numerical variable and an ordinal variable respectively.

The variables

region (city, urban, rural)

population density (number of people per square kilometre)

1. are both categorical.
2. are both numerical. 
3. are categorical and numerical respectively.
4. are numerical and categorical respectively.