Line of Best Fit Flashcard

Front

What is the equation of the line of best fit?

Back

y = -2x + 10

Front

How can you predict the number of chapters in a book with 180 pages using a scatter plot?

Back

Use the trend line to estimate the value, which predicts 18 chapters.

Front

What does a positive correlation in a scatter plot indicate?

Back

As one variable increases, the other variable also increases.

Front

What is the purpose of a line of best fit?

Back

To make predictions based on the data represented in a scatter plot.

Front

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

Back

The rate of change between the two variables in the scatter plot.

Front

What is a scatter plot?

Back

A graph that shows the relationship between two variables using dots.

Front

What does it mean if there is no correlation in a scatter plot?

Back

There is no predictable relationship between the two variables.

Front

How do you determine the line of best fit visually?

Back

By drawing a line that best represents the trend of the data points.

Front

What is the y-intercept in the equation y = mx + b?

Back

The value of y when x is 0, represented by b.

Front

What does a negative slope indicate in a line of best fit?

Back

As one variable increases, the other variable decreases.