If the correlation between body weight and annual income were high and positive, we could conclude that:
a. high incomes cause people to eat more food
b. low incomes cause people to eat less food
c.high income people tend to spend a greater proportion of their income on food than low income people on average
d.high income people tend to be heavier than low income people

Question

If the correlation between body weight and annual income were high and positive, we could conclude that:
a. high incomes cause people to eat more food
b. low incomes cause people to eat less food
c.high income people tend to spend a greater proportion of their income on food than low income people on average
d.high income people tend to be heavier than low income people

mww · Answer

Correlation does not imply causation (you need an experiment to do that)
Positive correlation means as you increase one quantity, so does the other quantity increase.