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Unit: Study design

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Possible mastery points

Statistical questions

Learn
Statistical questions
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Statistical and non statistical questions
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Practice
Statistical questionsGet 5 of 7 questions to level up!

Sampling and observational studies

Learn
Reasonable samples
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Identifying a sample and population
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Examples of bias in surveys
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Example of undercoverage introducing bias
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Correlation and causality
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Identifying bias in samples and surveys
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Simulation and randomness: Random digit tables
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Practice
Valid claimsGet 3 of 4 questions to level up!
Making inferences from random samplesGet 5 of 7 questions to level up!
Identifying the population and sampleGet 3 of 4 questions to level up!

Quiz 1

Level up on the above skills and collect up to 400 Mastery points

Sampling methods

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Picking fairly
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Techniques for generating a simple random sample
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Techniques for random sampling and avoiding bias
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Sampling methods review
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Samples and surveys
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Practice
Using probability to make fair decisionsGet 3 of 4 questions to level up!
Simple random samplesGet 3 of 4 questions to level up!
Sampling methodsGet 5 of 7 questions to level up!

Quiz 2

Level up on the above skills and collect up to 300 Mastery points

Types of studies (experimental vs. observational)

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Types of statistical studies
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Worked example identifying experiment
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Worked example identifying observational study
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Worked example identifying sample study
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Observational studies and experiments
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Appropriate statistical study example
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Practice
Types of statistical studiesGet 3 of 4 questions to level up!

Experiments

Learn
Introduction to experiment design
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Matched pairs experiment design
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The language of experiments
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Principles of experiment design
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Random sampling vs. random assignment (scope of inference)
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Practice
Experiment designsGet 3 of 4 questions to level up!

Quiz 3

Level up on the above skills and collect up to 200 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 900 Mastery points!

About this unit

Statistics is all about forming questions and gathering data to explore those questions. This unit covers sampling and survey methods, observational studies, and basic experiment design.