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Frequency of Commuting Distances

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Questions and Answers

What is a numerical variable?

A number between zero and one
An inactive treatment with no real effect
A variable that represents a population characteristic
A variable that takes on values indicated by numbers (correct)

Which term refers to a number between zero and one that gives the likelihood of a specific event occurring?

Proportion
Placebo
Probability (correct)
Population

What is the characteristic of qualitative data?

Has an attribute indicated by a label (correct)
Result of measuring
Indicated by numbers
The result of counting

What does random assignment refer to?

Organizing experimental units into treatment groups using random methods (B) Signup and view all the answers

Which term represents the number of successes divided by the total number in the sample?

Proportion (D) Signup and view all the answers

What does a placebo refer to?

An inactive treatment with no real effect on the explanatory variable (A) Signup and view all the answers

What is a parameter?

A number used to represent a population characteristic (B) Signup and view all the answers

What does random sampling involve?

A method of selecting a sample that gives every member of the population an equal chance of being selected (D) Signup and view all the answers

What indicates quantitative data?

An attribute whose value is indicated by a number (C) Signup and view all the answers

What categorizes data as discrete?

The result of counting (D) Signup and view all the answers

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