11.1 scatter plot 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 he expect to see in the scatter plot?

• positive association

• negative association

• no association

Tags

CCSS.HSS.ID.B.6

Label the type of association shown by the scatter plot as positive, negative or none.

• positive

• negative

• none

Tags

CCSS.HSF-LE.A.1B

Label the type of association shown by the scatter plot as positive, negative or none.

• positive

• negative

• none

Tags

CCSS.HSF-LE.A.1B

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

• Negative and linear

• Negative and non-linear

• Positive and linear

• Positive and non-linear

Tags

CCSS.8.F.A.3

Mrs. Dominick’s class did a survey about the number of chores students did and the amount of allowance that student earned. Bryan thinks the association is negative

because they found that as the number of chores decreased, the amount of allowance also decreased. Is Bryan correct? Explain.

• Bryan is correct; if the variables move together, then the association

  is negative.

• Bryan is incorrect; if the variables move together, then the association is positive.

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

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

• Scatter plot A; the points of data are closer together.

• Scatter plot B; the points of data are not close together.

Tags

CCSS.HSS.ID.B.6

Which scatter plot appears to be linear?

• Scatter plot A

• Scatter plot B

Tags

CCSS.8.F.A.3