AP Stats Chapters 3-4 Review

Front

What is a response variable in a study?

Back

A response variable is the outcome or the variable that is measured in an experiment to see how it is affected by changes in other variables.

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CCSS.HSS.ID.A.4

Front

What is a convenience sample?

Back

A convenience sample is a type of non-probability sampling where the sample is taken from a group of people easy to contact or reach.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What are the major principles of good experimental design?

Back

The major principles include Comparison to a control, Replication, Randomization, and Blocking.

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CCSS.HSS.IC.B.3

Front

What does a positive association in a scatterplot indicate?

Back

A positive association indicates that as one variable increases, the other variable also tends to increase.

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CCSS.HSS.ID.B.5

Front

What is an outlier in a dataset?

Back

An outlier is a data point that differs significantly from other observations in the dataset.

Front

What is a residual in statistics?

Back

A residual is the difference between the observed value and the predicted value of a regression model.

Tags

CCSS.HSS.ID.B.6B

Front

What is the purpose of randomization in experiments?

Back

Randomization helps to eliminate bias by ensuring that each participant has an equal chance of being assigned to any group.

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CCSS.HSS.IC.B.3

Front

What is the difference between a population and a sample?

Back

A population includes all members of a specified group, while a sample is a subset of the population used for analysis.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the role of replication in experiments?

Back

Replication involves repeating an experiment to confirm the results and ensure reliability.

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CCSS.HSS.IC.B.3

Front

What does blocking mean in experimental design?

Back

Blocking is a technique used to control for variables that could affect the outcome by grouping similar experimental units.

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CCSS.HSS.IC.B.3