Scatter Plots

Front

What is a scatter plot?

Back

A graph that shows the relationship of two data sets.

Front

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

Back

The value of y when x is 0, indicating the starting point of the relationship.

Front

What type of association does a scatter plot with a downward trend indicate?

Back

Negative association.

Front

What is the equation of a line of best fit?

Back

A mathematical representation of the relationship between two variables in a scatter plot.

Front

What does a positive association in a scatter plot indicate?

Back

As one variable increases, the other variable also increases.

Front

What does a negative association in a scatter plot indicate?

Back

As one variable increases, the other variable decreases.

Front

What is the purpose of a line of best fit in a scatter plot?

Back

To summarize the relationship between the data points and make predictions.

Front

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

Back

By calculating the change in y over the change in x between two points on the line.

Front

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

Back

The rate of change between the two variables.

Front

What is the significance of the x-intercept in a line of best fit?

Back

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