**(S1.1)**

(A) The dependent variable (cholesterol level) is continuous. The samples are independent groups.

(B) The dependent variable (eye pressure) is continuous. The samples are paired.

(C) The dependent variable (birth weight) is continuous. The samples is independent, and the independent
variable is continuous (gestational age).

**(S1.3)
**(A) The estimator, denoted phat (70%), estimates unknown population proportion

(B) The estimator, denoted

(C) The estimator phat (65%) estimates unknown population proportion