My Favorite One-Liners: Part 22

In this series, I’m compiling some of the quips and one-liners that I’ll use with my students to hopefully make my lessons more memorable for them. Today’s example might be the most cringe-worthy pun that I use in any class that I teach.

In my statistics classes, I try to emphasize to student that a high value of the correlation coefficient r is not the same thing as causation. To hopefully drive home this point, I’ll use the following picture.

piracy01

Conclusion: If we want to stop global warming, we should all become pirates.

Obviously, I tell my class, there isn’t a cause-and-effect relationship here, even though there is a strong positive correlation. So, I tell my class, in my best pirate voice, “Correlation is not the same thing as a causation, even if you get a large value of ARRRRRRR.”

Without fail, my students love this awful wisecrack.

While I’m on the topic, this is too good not to share:

For further reading, see my series on correlation and causation.

 

Leave a comment

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: