Scatter Plots Review

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 indicate in a scatter plot?

Back

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

Front

What does a negative correlation indicate in a scatter plot?

Back

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

Front

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

Back

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

Front

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

Back

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

Front

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

Back

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

Front

What is a linear association in a scatter plot?

Back

A linear association means that the data points can be approximated by a straight line.

Front

What is the purpose of using scatter plots?

Back

Scatter plots are used to visually represent the relationship between two variables and to identify trends or patterns.

Front

What does it mean if a scatter plot shows a cluster of points?

Back

A cluster of points indicates that there is a strong relationship between the two variables in that range.

Front

What is the significance of outliers in a scatter plot?

Back

Outliers are data points that fall far from the trend of the rest of the data, which can indicate anomalies or errors.