Describing Association

The scatterplot represents the relationship between average emails per day and age.

The line of best fit equation is: y = -0.4x + 36

Predict the average number of emails per day for a 75-year-old person.

• 7 emails

• 4 emails

• 5 emails

• 6 emails

Linear or nonlinear association?

• Linear

• Nonlinear

Positive, negative, or no association?

• Positive 

• Negative

• No association

Positive, negative, or no association?

• Positive

• Negative

• No associaiton

Positive, negative, or no association?

• Positive

• Negative

• No association

Strong or weak association?

• Strong

• Weak

What type of association does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

Strong or weak association?

• Strong

• Weak

Positive, negative, or no association?

• Positive

• Negative

• No association

What type of association is there between the variables shown on this scatter plot?

• Weak, Positive Association

• Strong, Positive Association

• Weak, Negative Association

• No Association