A study of several cities shows a positive correlation between the percent of people biking to work and the percent of people spending their vacation time at home.
Which statement is most likely true?
Correlation implies causation: therefore, vacationing at home makes people want to ride
their bike.
Correlation implies causation: therefore, bike riding makes people want to vacation at home.
Correlation does not imply causation: therefore the correlation is due to a third variable:
COSL of milk
Correlation does not imply correlation, therefore, the correlation is due to a third variable:
cost of gas.