Scatterplots

Front

What is a scatterplot?

Back

A scatterplot is a graphical representation of two variables, showing the relationship between them using points on a Cartesian plane.

Front

What does a positive correlation in a scatterplot indicate?

Back

A positive correlation indicates that as one variable increases, the other variable also tends to increase.

Front

What does a negative correlation in a scatterplot indicate?

Back

A negative correlation indicates that as one variable increases, the other variable tends to decrease.

Front

What does it mean if a scatterplot shows no correlation?

Back

No correlation means there is no apparent relationship between the two variables; the points are scattered randomly.

Front

How can you identify a linear relationship in a scatterplot?

Back

A linear relationship can be identified if the points in the scatterplot form a straight line or a pattern that closely resembles a straight line.

Front

What is the purpose of using a scatterplot?

Back

The purpose of using a scatterplot is to visually assess the relationship between two quantitative variables.

Front

What is the independent variable in a scatterplot?

Back

The independent variable is the variable that is manipulated or changed, typically plotted on the x-axis.

Front

What is the dependent variable in a scatterplot?

Back

The dependent variable is the variable that is measured or observed, typically plotted on the y-axis.

Front

How can you make predictions using a scatterplot?

Back

You can make predictions by identifying trends in the scatterplot and using them to estimate values for the dependent variable based on the independent variable.

Front

What does the slope of a line in a scatterplot represent?

Back

The slope represents the rate of change between the two variables; a steeper slope indicates a stronger relationship.