ScatterPlots/Line of Best Fit

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.

Front

What does the line of best fit represent in a scatter plot?

Back

The line of best fit is a straight line that best represents the data points in a scatter plot, indicating the trend of the relationship between the variables.

Front

What is a positive correlation in a scatter plot?

Back

A positive correlation occurs when an increase in one variable leads to an increase in another variable, resulting in an upward trend in the scatter plot.

Front

What is a negative correlation in a scatter plot?

Back

A negative correlation occurs when an increase in one variable leads to a decrease in another variable, resulting in a downward trend in the scatter plot.

Front

What does no association mean in a scatter plot?

Back

No association means that there is no discernible relationship between the two variables, and the data points are scattered randomly.

Front

How can you identify a positive correlation in a scatter plot?

Back

A positive correlation can be identified by a pattern where data points trend upwards from left to right.

Front

How can you identify a negative correlation in a scatter plot?

Back

A negative correlation can be identified by a pattern where data points trend downwards from left to right.

Front

What is the purpose of the line of best fit?

Back

The purpose of the line of best fit is to summarize the relationship between the variables and make predictions based on the data.

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.

Front

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

Back

The slope of a line of best fit indicates the rate of change between the two variables; a steeper slope means a stronger relationship.