Scatter Plots

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 it mean if a scatter plot has no correlation?

Back

It means that the ordered pairs have no predictable pattern.

Front

What is a positive association in a scatter plot?

Back

A positive association occurs when, as one variable increases, the other variable also increases.

Front

What is a negative association in a scatter plot?

Back

A negative association occurs when, as one variable increases, the other variable decreases.

Front

What does the term 'correlation coefficient' refer to?

Back

The correlation coefficient is a numerical measure of the strength and direction of a relationship between two variables.

Front

What is a positive correlation?

Back

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

Front

What is a negative correlation?

Back

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

Front

What does 'causation' mean in the context of scatter plots?

Back

Causation means that one variable directly affects the other variable.

Front

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

Back

A positive correlation is identified by a pattern where points slope upwards from left to right.

Front

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

Back

A negative correlation is identified by a pattern where points slope downwards from left to right.