Lesson 10.11: Strength of Correlation Answers

The table shows the shipping costs for items of different values.

Which graph shows data whose r-value is most likely closest to 0?

Which r-value represents the strongest correlation?

Which r-value represents the weakest correlation?

Ryan gathered data about the age of the different dogs in his neighborhood and the length of their tails.

A financial advisor studies the relationship between the number of missed credit card payments and a person’s credit score. The scatterplot shows points tightly clustered around a downward-sloping line.

Which r-value represents the most moderate correlation?

Which r–value represents the strongest negative correlation?

The table shows the time a patient spends at the dentist and the amount of the bill.

A 2-column table with 4 rows. The first column is labeled x with entries 0, 5, 10, 15. The second column is labeled y with entries 15, 10, 5, 0.