14 questions
Number of steps taken per day and number of kilometers walked per day.
strong positive
strong negative
weak positive
weak negative
Temperature of a rubber band and distance the rubber band can stretch.
strong positive
strong negative
weak positive
weak negative
Car weight and distance traveled using a full tank of gas.
strong positive
strong negative
weak positive
weak negative
Average fat intake per citizen of a country and average cancer rate of a country.
strong positive
strong negative
weak positive
weak negative
Score on science exam and number of words written on the essay question.
strong positive
strong negative
weak positive
weak negative
Average time spent listening to music per day and average time spent watching TV per day.
strong positive
strong negative
weak positive
weak negative
Estimate the correlation coefficient for this scatterplot.
A) r = 1.2
B) r = 0.89
C)r = 0
D) r = -0.89
Estimate the correlation coefficient for this scatterplot.
A) r = -0.9
B) r = 1
C) r = 0.9
D) r = -1
As x increases, y decreases.
A) no correlation
B) negative correlation
C) correlation coefficient
D) positive correlation
As x increases, y increases
A) correlation coefficient
B) causation
C) positive correlation
D) negative correlation
Which example shows CAUSATION? (Which one CAUSED the other to happen.)
Being happy and being a better student.
An insect ate poison and it died.