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Trend Lines and Scatter Plots v2

Trend Lines and Scatter Plots v2

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Easy

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 a trend line?

Back

A trend line is a straight line that best represents the data on a scatter plot, showing the general direction of the data points.

2.

FLASHCARD QUESTION

Front

What does a scatter plot represent?

Back

A scatter plot is a graph that shows the relationship between two variables by displaying data points on a Cartesian plane.

3.

FLASHCARD QUESTION

Front

What is the purpose of a line of best fit?

Back

The line of best fit is used to summarize the relationship between variables in a scatter plot, helping to predict future values.

4.

FLASHCARD QUESTION

Front

How do you determine the line of best fit?

Back

The line of best fit is determined by minimizing the distance between the data points and the line, often using the least squares method.

5.

FLASHCARD QUESTION

Front

What does a positive slope indicate in a trend line?

Back

A positive slope indicates that as one variable increases, the other variable also increases.

6.

FLASHCARD QUESTION

Front

What does a negative slope indicate in a trend line?

Back

A negative slope indicates that as one variable increases, the other variable decreases.

7.

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.

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