Scatter Plots Review

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship of two data sets.

Front

What type of correlation does a scatter plot with points rising from left to right indicate?

Back

Positive correlation.

Front

What type of correlation does a scatter plot with points falling from left to right indicate?

Back

Negative correlation.

Front

What does it mean if a scatter plot shows no correlation?

Back

It means there is no apparent relationship between the two data sets.

Front

What is a positive association in a scatter plot?

Back

A positive association means that as one variable increases, the other variable also tends to increase.

Front

What is a negative association in a scatter plot?

Back

A negative association means that as one variable increases, the other variable tends to decrease.

Front

What are clusters in a scatter plot?

Back

Clusters are groups of points that are close together, indicating a concentration of data in that area.

Front

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

Back

A strong correlation is indicated by points that are closely packed along a straight line.

Front

What does it mean if a scatter plot has a wide spread of points?

Back

A wide spread of points indicates a weak correlation between the two variables.

Front

What is the purpose of using scatter plots?

Back

Scatter plots are used to visually represent the relationship between two quantitative variables.