Correlation and Scatterplots

Scatter Plots & Correlation

Definition

A scatter plot is a graph with points plotted to show a potential relationship between two sets of data.

Correlation is a fancy way to describe the relationship between two variables.

Multiple Choice

Can you guess the correlation?

• Positive

• Negative

• None

Multiple Choice

Can you guess the correlation?

• Positive

• Negative

• None

Multiple Choice

Can you guess the correlation?

• Positive

• Negative

• None

Correlation: The Thumbs Up Test

• POSITIVE CORRELATION: thumbs agree

• NEGATIVE CORRELATION: thumbs disagree

• NO CORRELATION: thumbs have nothing to do with each other

Multiple Choice

Guess the correlation between the variables:

• Positive

• Negative

• None

Multiple Choice

Guess the correlation between the variables:

• Positive

• Negative

• None

Multiple Choice

Guess the correlation between the variables:

• Positive

• Negative

• None

Multiple Choice

Guess the correlation between the variables:

• Positive

• Negative

• None

Multiple Choice

Guess the correlation between the variables:

• Positive

• Negative

• None

Multiple Choice

Guess the correlation between the variables:

• Positive

• Negative

• None

Multiple Choice

Guess the correlation between the variables:

• Positive

• Negative

• None

Multiple Choice

Guess the correlation between the variables:

• Positive

• Negative

• None

Multiple Choice

Guess the correlation between the variables:

• Positive

• Negative

• None