Scatterplots

Front

What is a scatterplot?

Back

A scatterplot 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 scatterplot?

Back

The line of best fit represents the trend of the data points in a scatterplot, indicating the average relationship between the two variables.

Front

What is a positive correlation in a scatterplot?

Back

A positive correlation occurs when an increase in one variable corresponds to an increase in another variable, resulting in an upward slope.

Front

What is a negative correlation in a scatterplot?

Back

A negative correlation occurs when an increase in one variable corresponds to a decrease in another variable, resulting in a downward slope.

Front

What does no correlation mean in a scatterplot?

Back

No correlation means 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 scatterplot?

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 scatterplot?

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 using a scatterplot?

Back

The purpose of using a scatterplot is to visually represent the relationship between two variables and to identify any patterns or correlations.

Front

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

Back

The slope of the line of best fit indicates the direction and strength of the relationship between the two variables.

Front

What is an outlier in a scatterplot?

Back

An outlier is a data point that significantly differs from the other points in the scatterplot, potentially indicating an anomaly.