Strength of Correlation

Question 1

Which r-value represents the weakest correlation?

Revolt · Accepted Answer

0.11

Question 2

Which best describes the strength of a model with an r-value of 0.29?

Revolt · Accepted Answer

a weak positive correlation

Question 3

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.

Revolt · Accepted Answer

-1

Question 4

A graph shows the horizontal axis numbered 4 to 16 and the vertical axis numbered 4 to 12. Points and a line show a downward trend.

Revolt · Accepted Answer

–0.91

Question 5

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

Revolt · Accepted Answer

A graph shows both axes unnumbered. Points are scattered all over the graph.

Question 6

Which r–value represents the strongest negative correlation?

Revolt · Accepted Answer

–0.7

Question 7

Which r-value represents the strongest correlation?

Revolt · Accepted Answer

–0.83

Question 8

Which r-value represents the most moderate correlation?

Revolt · Accepted Answer

0.56

Question 9

Which relationships would most likely be causal? Select two options.a positive correlation between the number of homework assignments completed and the grade on the exama positive correlation between the temperature in a canyon in the early spring and the number of snakes seen by hikersa positive correlation between a child’s shoe size and reading speeda negative correlation between the time a glass of ice water sits on the counter and its temperaturea positive correlation between the number of students attending football games and the number of games that are won

Revolt · Accepted Answer

a positive correlation between the number of homework assignments completed and the grade on the exam; a positive correlation between the temperature in a canyon in the early spring and the number of snakes seen by hikers

Strength of Correlation Answers

More from this Course

TRY EDGENUITY HACKS