Scatter Plots

What kind of association does the scatter plot show?

(a)  

• Positive
• Negative
• No association

What kind of association does the scatter plot show?

(a)  

• No association
• Positive
• Negative

What kind of association does the scatter plot show?

(a)  

• Negative
• Positive
• No association

What kind of association does the scatter plot show?

(a)  

• No association
• Positive
• Negative

What kind of association does the scatter plot show?

What are the two variables being compared in this scatter plot?

(a)   (b)  

• Temperature
• Sales
• Yogurt

Answer explanation

To find the variables, look on the x-axis and the y-axis.

Temperature is x and sales is y!

Does the scatter plot show a relationship between temperature and sales?

• Yes, it shows a positive relationship.

• Yes, it shows a negative relationship.

• No, it shows no relationship.

Answer explanation

The line of best fit increases as you go to the right and has a positive slope. As x increases, y also increases.

This means that there is a POSITIVE relationship between the x and y.

What happens to sales as temperatures increase?

(a)  

• Sales increase.
• Sales decrease.
• Sales do not change.

Is the relationship LINEAR or NONLINEAR?

(a)  

• Linear
• Nonlinear

Answer explanation

It forms a straight line, which means it it shows a linear relationship with a constant rate of change.

Are there any outliers?

(a)  

• No
• Yes

Answer explanation

There are no outliers because all data points follow a similar increasing pattern. Higher temperature is related to higher sales.