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 a positive correlation in a scatter plot indicate?

Back

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

Front

What does a negative correlation in a scatter plot indicate?

Back

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

Front

What does 'no association' mean in the context of scatter plots?

Back

'No association' means that there is no discernible relationship between the two variables being plotted.

Front

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

Back

You can identify a positive correlation if the points trend upwards from left to right.

Front

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

Back

You can identify a negative correlation if the points trend downwards from left to right.

Front

What does the slope of a scatter plot represent?

Back

The slope of a scatter plot represents the rate of change between the two variables.

Front

What is the purpose of a trend line in a scatter plot?

Back

A trend line helps to summarize the relationship between the variables and can make it easier to see the overall direction of the data.

Front

What is an example of a situation that might show a negative correlation?

Back

An example of a negative correlation is the relationship between the age of a car and its value; as the car gets older, its value typically decreases.

Front

What is an example of a situation that might show a positive correlation?

Back

An example of a positive correlation is the relationship between temperature and ice cream sales; as temperature increases, ice cream sales tend to increase.