AP Statistics Linear Regression

AP Statistics Linear Regression

12th Grade

15 Qs

quiz-placeholder

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AP Statistics Linear Regression

AP Statistics Linear Regression

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Medium

CCSS
HSS.ID.B.5, HSS.ID.B.6B, HSF.LE.B.5

+3

Standards-aligned

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Define 'linear regression'.

A statistical method used to model the relationship between a dependent variable and one or more independent variables by fitting a linear equation.

A technique used to predict future values based on historical data without considering relationships.

A method for analyzing categorical data to find patterns and trends.

A process of transforming non-linear data into a linear format for easier analysis.

Tags

CCSS.8.SP.A.2

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does the slope of a linear regression indicate in the context of caffeine intake and study time?

For each additional 1 mg of caffeine, the study time is predicted to increase by 0.164 hours.

For each additional 1 mg of caffeine, the study time is predicted to decrease by 0.164 hours.

The slope indicates no relationship between caffeine intake and study time.

The slope indicates that study time is independent of caffeine intake.

Tags

CCSS.HSF.LE.B.5

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does a correlation coefficient of r = -1 indicate?

A perfect positive linear relationship between two variables.

No linear relationship between two variables.

A perfect negative linear relationship between two variables.

A weak negative linear relationship between two variables.

Tags

CCSS.HSS.ID.B.5

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does a random residual plot indicate?

It suggests that a linear model is appropriate for the data.

It indicates that the data has a non-linear relationship.

It shows that the model is overfitting the data.

It implies that there are outliers in the dataset.

Tags

CCSS.HSS.ID.B.6B

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does it mean if the correlation coefficient is close to 0?

It indicates a strong positive linear relationship between the two variables.

It indicates a weak or no linear relationship between the two variables.

It indicates a strong negative linear relationship between the two variables.

It indicates a perfect linear relationship between the two variables.

Tags

CCSS.HSS.ID.B.5

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What should a residual plot look like?

Random with no pattern.

A clear upward trend.

A clear downward trend.

A parabolic shape.

Tags

CCSS.HSS.ID.B.6B

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does a correlation coefficient of r = 1 indicate?

A perfect positive linear relationship between two variables.

No relationship between the two variables.

A perfect negative linear relationship between two variables.

A weak positive linear relationship between two variables.

Tags

CCSS.HSS.ID.B.5

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