Scatter Plots

Front

What is a scatter plot?

Back

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

Front

What does a strong positive correlation mean?

Back

A strong positive correlation means that as one variable increases, the other variable also increases.

Front

What does a strong negative correlation mean?

Back

A strong negative correlation means that as one variable increases, the other variable decreases.

Front

What is no correlation?

Back

No correlation means that there is no relationship between the two variables; changes in one do not affect the other.

Front

What does the x-axis represent in a scatter plot?

Back

The x-axis represents the independent variable, which is the variable that is controlled or changed.

Front

What does the y-axis represent in a scatter plot?

Back

The y-axis represents the dependent variable, which is the variable that is measured or observed.

Front

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

Back

A positive correlation is identified when the data points slope upwards from left to right.

Front

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

Back

A negative correlation is identified when the data points slope downwards from left to right.

Front

What is a trend line?

Back

A trend line is a straight line that best represents the data points in a scatter plot, showing the general direction of the data.

Front

What is the purpose of a trend line?

Back

The purpose of a trend line is to help predict values and understand the relationship between the variables.