Scatter Plots and Linear Associations

Which scatter plot appears to be linear

• Scatter Plot A

• Scatter Plot B

Scatter plot are graphs that use points to display​ (a)   data.

• numerical

• bivariate

• association

• categorical

Scatter plots can help determine if one variable has an effect on the other, or if there are overall trends, patterns, or ​ (a)   between the variables.

• associations

• bivariate

• numerical

Hector surveyed 500 people and asked them how far they drive to work and what the last digit of their phone number is. He used the results to make a scatter plot. What type of association should he expect to see in the scatter plot?

• Positive Association

• Negative Association

• No Association

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

• Positive Association

• Negative Association

• No Association

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.

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