Line of Best Fit Review

Line of Best Fit Review

Assessment

Flashcard

Mathematics

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a line of best fit?

Back

A line of best fit is a straight line that best represents the data on a scatter plot. It shows the trend of the data points.

2.

FLASHCARD QUESTION

Front

How do you calculate the line of best fit?

Back

You can calculate the line of best fit using methods like least squares regression, which minimizes the distance between the data points and the line.

3.

FLASHCARD QUESTION

Front

What does the slope of a line of best fit represent?

Back

The slope represents the rate of change of the dependent variable (y) with respect to the independent variable (x).

4.

FLASHCARD QUESTION

Front

What does the y-intercept of a line of best fit indicate?

Back

The y-intercept indicates the value of y when x is zero, representing the starting point of the relationship.

5.

FLASHCARD QUESTION

Front

What is an outlier in a scatterplot?

Back

An outlier is a point that is far outside the main cluster of points, which can affect the line of best fit.

6.

FLASHCARD QUESTION

Front

What does a positive association in a scatterplot mean?

Back

A positive association means that as one variable increases, the other variable also tends to increase.

7.

FLASHCARD QUESTION

Front

What does a negative association in a scatterplot mean?

Back

A negative association means that as one variable increases, the other variable tends to decrease.

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