AP Stats Chapter 3 Practice Test

AP Stats Chapter 3 Practice Test

Assessment

Flashcard

Mathematics

11th - 12th Grade

Practice Problem

Hard

CCSS
HSS.ID.B.6B, 8.SP.A.2, 8.SP.A.3

+4

Standards-aligned

Created by

Wayground Content

Used 1+ times

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the least-squares regression line?

Back

A statistical method used to determine the line of best fit for a set of data points by minimizing the sum of the squares of the vertical distances of the points from the line.

Tags

CCSS.8.SP.A.2

2.

FLASHCARD QUESTION

Front

What does the slope of a regression line represent?

Back

The slope indicates the predicted change in the dependent variable for each one-unit increase in the independent variable.

Tags

CCSS.8.SP.A.3

3.

FLASHCARD QUESTION

Front

What is the meaning of the y-intercept in a regression equation?

Back

The y-intercept is the predicted value of the dependent variable when the independent variable is zero.

Tags

CCSS.8.SP.A.3

4.

FLASHCARD QUESTION

Front

How do you interpret a negative slope in a regression line?

Back

A negative slope indicates that as the independent variable increases, the dependent variable tends to decrease.

Tags

CCSS.8.EE.B.5

5.

FLASHCARD QUESTION

Front

What is standardization in statistics?

Back

Standardization is the process of transforming data to have a mean of 0 and a standard deviation of 1.

Tags

CCSS.HSS.ID.A.4

6.

FLASHCARD QUESTION

Front

What is the correlation coefficient?

Back

A statistical measure that describes the strength and direction of a linear relationship between two variables, ranging from -1 to 1.

Tags

CCSS.HSS.ID.B.5

7.

FLASHCARD QUESTION

Front

What does a correlation of -0.44 indicate?

Back

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

Tags

CCSS.HSS.ID.B.5

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