11MAG

(VCE Exam 2006) The back-to-back ordered stemplot below shows the distribution of maximum temperatures (in °Celsius) of two towns, Beachside and Flattown, over 21 days in January.

The variables temperature (°Celsius) and town (Beachside or Flattown) are:

• both categorical variables

• both numerical variables

• categorical and numerical variables respectively

• numerical and categorical variables respectively

• neither categorical nor numerical variables

(VCE Exam 2006) The back-to-back ordered stemplot below shows the distribution of maximum temperatures (in °Celsius) of two towns, Beachside and Flattown, over 21 days in January.

For Beachside, the range of maximum temperatures is:

• 3°C             

• 23°C                

• 32°C                

• 33°C                   

• 38°C

(VCE Exam 2006) The back-to-back ordered stemplot below shows the distribution of maximum temperatures (in °Celsius) of two towns, Beachside and Flattown, over 21 days in January.

The distribution of maximum temperatures for Flattown is best described as:

• negatively skewed

• positively skewed

• positively skewed with outliers

• approximately symmetric

• approximately symmetric with outliers

A histogram is an appropriate display for:

• eye colour       

• nationality

• height

• satisfaction rating     

• gender

A set of data is displayed in this dot plot.

Which of the following best describes this set of data?

• Symmetrical           

• Positively skewed    

• Negatively skewed   

• Normally distributed

A survey asked the following question - ‘How many brothers do you have?’

How would the responses be classified?

• Categorical, ordinal    

• Categorical, nominal   

• Numerical, discrete   

• Numerical, continuous

A soccer referee wrote down the number of goals scored in 9 different games during the season.

2, 3, 3, 3, 5, 5, 8, 9, _

The last number has been omitted. The range of the data is 10. What is the five-number summary for this data set?

• 2, 3, 5, 8.5, 12         

• 2, 3, 5, 8.5, 10         

• 2, 3, 5, 8, 11

• 2, 3, 5, 8, 10

The sets of data, X and Y, are displayed in the histograms.

Which of these statements is true?

• X has a larger mode and Y has a larger range.

• X has a larger mode and the ranges are the same

• The modes are the same and Y has a larger range

• The modes are the same and the ranges are the same

This back-to-back stem-and-leaf plot displays the test results for a class of 26 students.

What is the median test result for the class?

• 44

• 46

• 48

• 49

The eye colours of a sample of children were recorded.

When analysing this data, which of the following could be found?

• Mean

• Median

• Mode

• Range