Line of best fit - scatter plots

Line of best fit - scatter plots

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a line of best fit?

Back

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

2.

FLASHCARD QUESTION

Front

How do you determine the equation of a line of best fit?

Back

By using statistical methods such as linear regression to find the slope and y-intercept that minimize the distance between the line and the data points.

3.

FLASHCARD QUESTION

Front

What does a positive correlation indicate in a scatter plot?

Back

As one variable increases, the other variable also increases.

4.

FLASHCARD QUESTION

Front

What does a negative correlation indicate in a scatter plot?

Back

As one variable increases, the other variable decreases.

5.

FLASHCARD QUESTION

Front

What is an outlier in a scatter plot?

Back

A data point that is significantly different from the other data points, often lying far away from the trend.

6.

FLASHCARD QUESTION

Front

How can you identify an outlier in a scatter plot?

Back

By visually inspecting the plot for points that do not follow the general trend of the other points.

7.

FLASHCARD QUESTION

Front

What is the y-intercept of a line?

Back

The point where the line crosses the y-axis, indicating the value of y when x is 0.

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