Researchers have found that there is a high positive correlation ...

[charchew]

Researchers have found that there is a high positive correlation between the number of cigarettes smoked per day and lung disease. This means that
 
  a. cigarette smoking causes lung disease
  b. people who do not smoke will not get lung disease
  c. increases in numbers of cigarettes smoked is related to increases in incidence of lung disease
  d. all of the above

Question 2

A person can have physiological responses, such as vaginal vasocongestion or penile erection, without feeling sexually aroused.
 
  a. True
  b. False

[ndhahbi]

Answer to Question 1

c

Answer to Question 2

a