Categorical and Quantitative Variables

If you desired to display the data given for drink sales given in a pie chart that accurately portrayed the Autumn '07 data, what percent of the graph would represent the number of Cokes sold?

• 23.5%

• 24.3%

• 34.3%

• 41.2%

On Saturday, Bernardo gave his guinea pig 80 grams of food. The table shows the amount of each type of food he gave to the guinea pig.

Which segmented bar graph best represents the data?

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• 
• 
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What is the relative frequency of High School?

• 2%

• 50%

• 5%

• 20%

Mrs. Jones surveyed the class for the number of letters in their given first name. The data is recorded below.
{5, 8, 6, 5, 4, 9, 8, 7, 6, 3, 8, 7, 5, 6, 7, 8}
What is the interquartile range of the data?

• 2

• 3

• 7

• 8

Does the visualization represent a categorical​ variable or a quantitative​ variable? What are the data​ points?

• 
  Quantitative​ variable; each data point is a film that was nominated for a prize.

• Categorical​ variable; each data point is a category of film.

• Quantitative​ variable; each data point is the number of films in a category.

• Categorical​ variable; each data point is a film that was nominated for a prize.

Does the visualization represent a categorical​ variable or a quantitative​ variable? What are the data​ points?

• Quantitative​ variable; each data point is a type of fuel for a power plant.

• 
  Categorical​ variable; each data point represents a power plant by the amount of capacity it has.

• Quantitative​ variable; each data point represents a power plant by the amount of capacity it has.

• Categorical​ variable; each data point is a type of fuel for a power plant.

Does the visualization represent a categorical​ variable or a quantitative​ variable? What are the data​ points?

• Categorical​ variable; each data point is a unit of energy generated.
  

• 
  Quantitative​ variable; each data point is the amount of energy generated​ (in terawatt​ hours).

• Categorical​ variable; each data point is the amount of energy generated​ (in terawatt​ hours).

• Quantitative​ variable; each data point is a unit of energy generated.

Is the total useful when analyzing a categorical​ variable, a quantitative​ variable, or​ both? Explain.

• Quantitative; only quantitative data can have a​ total, which is the total sum.

• 
  ​Both; quantitative data can be analyzed as the total sum of all of the​ data, and categorical data can be analyzed by the total number of data points.

• Quantitative; the total measures values and categorical data does not have values.

• Categorical; only categorical data will have a total number of data points.

Zip Code

• Categorical

• Quantitative

Jersey Number

• Categorical

• Quantitative