Scatterplots Review

Front

What does a correlation indicate about two variables?

Back

A correlation shows that two things are related.

Front

How do you rank scatter plots according to the intensity of correlation?

Back

Rank from weakest to strongest: 1, 3, 4, 2.

Front

What does causation imply in relation to variables?

Back

Causation implies that one variable has a direct effect on the other variable.

Front

How would you describe a weak negative correlation in a graph?

Back

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

Front

Which example illustrates causation?

Back

It started raining and the baseball game was delayed.

Front

What is a scatterplot?

Back

A scatterplot is a graph that displays values for typically two variables for a set of data.

Front

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

Back

A strong positive correlation shows points that are closely clustered along a line that slopes upwards.

Front

What is the difference between correlation and causation?

Back

Correlation indicates a relationship between two variables, while causation indicates that one variable directly affects the other.

Front

What does a weak positive correlation indicate?

Back

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

Front

What is the purpose of using scatterplots in data analysis?

Back

Scatterplots are used to visually assess the relationship between two quantitative variables.