Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

10 Questions

1 Views

Frequency of Commuting Distances

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

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 Signup and view all the answers

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

Proportion Signup and view all the answers

What does a placebo refer to?

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

What is a parameter?

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

What indicates quantitative data?

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

What categorizes data as discrete?

The result of counting Signup and view all the answers