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 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 no correlation mean in a scatterplot?

Back

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

Front

What is an outlier in a scatterplot?

Back

An outlier is a data point that is significantly different from other observations, often lying far away from the trend of the data.

Front

How can you identify an outlier in a scatterplot?

Back

An outlier can be identified as a point that falls far away from the cluster of other points in the scatterplot.

Front

What does a strong positive correlation look like in a scatterplot?

Back

A strong positive correlation appears as points that closely follow a straight line that slopes upwards from left to right.

Front

What does a weak positive correlation look like in a scatterplot?

Back

A weak positive correlation appears as points that are scattered but still show a slight upward trend.

Front

What does a strong negative correlation look like in a scatterplot?

Back

A strong negative correlation appears as points that closely follow a straight line that slopes downwards from left to right.

Front

What does a weak negative correlation look like in a scatterplot?

Back

A weak negative correlation appears as points that are scattered but still show a slight downward trend.