Identify Variables and Individuals

Which of the variables below would be an example of a categorical variable?

• Number of Languages Spoken

• Wrist Circumference

• Height

• Handedness

The columns in the table represent what?

• Individuals

• The population

• The sample

• A variable

The rows in the table represent what?

• Individuals

• The population

• The sample

• A variable

Which of the variables below would be an example of a quantitative variable?

• Number of Languages Spoken

• Province

• Preferred Communication

• Handedness

• A

• B

• C

• D

• E

Answer explanation

T1.1 c. The 2 categorical variables are model of plane and whether or not they arrived on time. The 3 quantitative variables are amount of fuel (continuous), time in flight (continuous), and number of passengers (discrete).

• A

• B

• C

• D

• E

This data set contains?

• 7 variables, 2 of which are categorical

• 7 variables, 1 of which is categorical

• 6 variables, 2 of which are categorical

• 6 variables, 2 of which are categorical

The individuals in this data set are ?

• households

• 1 million people

• 10 people

• The census bureau

The individuals or items to which treatments are applied.

• Explanatory Variable

• Response Variable

• Experimental Units

• Confounding Variable