Scatter Plots Patterns of Association

What type of association should she expect to see in the scatter plot?

• Positive Association

• Negative Association

• No Association

Label the type of association:

• Positive

• None

• Negative

Label they type of association:

• Positive

• Negative

• None

Label they type of association:

• Positive

• Negative

• None

Which scatter plot(s) could be used to show the relationship between a person's age and a person's height?

• 3

• 4

• 5

• 6

Which scatter plot(s) could be used to show the relationship between a person's age and the number of syllables in a person's first and last name?

• 3

• 4

• 5

• 6

If a straight line can be drawn to follow the overall trend of a scatter plot, it is _.

• linear

• strong

• weak

• nonlinear

Which would NOT likely be the variables represented on the scatter plot.

• The number of miles driven and the gallons of gas used.

• The number of students in a school and the number of unused lockers

• the number items ordered at a restaurant and the cost of the bill

• the number of customers in a store and the length of the wait at the register

Which scatter plot has a stronger association? How do you know?

• Scatter Plot A

  points are close together

• Scatter Plot B

  points are more linear

What does it mean when two variables have a positive association?

• When the variables move in opposites directions, one increases and the other decreases.

• When the first variables has no effect on the second variable

• When the variables move in the same direction. They both increase.