Statistics Review

Is there causation in the following situation? The number of miles driven and the amount of gas used.

• Causation

• Not causation

Tags

CCSS.HSS.ID.C.9

Is there causation in the following situation? There is a strong correlation between the amount of serious crime committed and the amount of ice cream sold by street vendors.

• Causation

• Not causation

Is there causation in the following situation? The amount of cars a salesperson sales and how much commission he or she makes.

• Causation

• Not causation

Tags

CCSS.HSS.ID.C.9

Which measure of central tendency is obtained by adding all the scores and dividing that total by the number of scores?

• mode
• median
• mean
• range

The portion of the population that is selected for analysis is called:

• a sample

• a frame

• a parameter

• a statistic

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

A summary measure that is computed from only a sample of the population is called:

• a parameter

• a population

• a discrete variable

• a statistic

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

The body style of an automobile (sedan, coupe, wagon, etc.) is an example of a:

• discrete variable

• continuous variable

• categorical variable

• constant

The human resources director of a large corporation wants to develop a dental benefits package and decides to select 100 employees from a list of all 5,000 workers in order to study their preferences for the various components of a potential package. All the employees in the corporation constitute the _______.

• sample

• population

• statistic

• parameter

A two-way table is commonly used to display _____ data

• Numerical

• Categorical

• Ordinal

If we asked people to report their “weight,” would that variable be considered a categorical or quantitative variable?

• categorical
• Quantitative