Linear Regression & Scatterplots

Linear Regression & Scatterplots

Assessment

Flashcard

Mathematics

8th - 9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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16 questions

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1.

FLASHCARD QUESTION

Front

What is Linear Regression?

Back

Linear Regression is a statistical method used to model the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.

2.

FLASHCARD QUESTION

Front

What is a Scatterplot?

Back

A Scatterplot is a graphical representation of two quantitative variables, where each point represents an observation in the dataset.

3.

FLASHCARD QUESTION

Front

What does the slope in a linear regression equation represent?

Back

The slope indicates the rate of change of the dependent variable for each unit change in the independent variable.

4.

FLASHCARD QUESTION

Front

What is the equation of a line in slope-intercept form?

Back

The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

5.

FLASHCARD QUESTION

Front

What is the Coefficient of Correlation?

Back

The Coefficient of Correlation (r) measures the strength and direction of a linear relationship between two variables, ranging from -1 to +1.

6.

FLASHCARD QUESTION

Front

What does an r value of 1 indicate?

Back

An r value of 1 indicates a perfect positive linear relationship between the two variables.

7.

FLASHCARD QUESTION

Front

What does an r value of -1 indicate?

Back

An r value of -1 indicates a perfect negative linear relationship between the two variables.

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