Scatterplots Associations from a Graph

Consider the regression line drawn on the scatterplot shown. The equation of the regression line is...

• height = 0.75 x mass - 58

• height = 0.75 x mass + 58

• height = -0.75 x mass - 58

• mass = 0.75 x height + 58

A least-squares regression line is fitted to the 6 points shown in the figure. Which of the following looks most similar to the plot of residuals?

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• 
• 
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What type of association is shown in the scatter plot?

• Positive

• Negative

• No association

What type of association is shown in the scatter plot?

• Positive

• Negative

• No association

What best describes the association shown in the scatter plot below?

• Negative and linear

• Negative and nonlinear

• Positive and linear

• Positive and nonlinear

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

• Negative

• No association

Jules conducted a survey and asked 100 people how many years of education they have and what their annual income is. She used the results to make a scatter plot. What type of association should she expect to see?

• Positive

• Negative

• No association

Which scatter plot (3-6) could be used to show the relationship between a person's age and a person's height?

• 3

• 4

• 5

• 6

Which scatter plot (3-6) 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

Which would NOT likely be the variables represented in the scatter plot shown?

• 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 of 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.