In each of the following situations, identify the population, the units, each variable, and tell if the variable is categorical or quantitative. If it is quantitative, then identify it further as either discrete or continuous.
(a) A quality control worker with Sweet-tooth Candy weighs every 100th candy bar to make sure it is very close to the published weight.
i. POPULATION:
ii. UNITS:
iii. VARIABLE:
iv. TYPE:
(b) Doris decides to clean her sock drawer out and sorts her socks into piles by color.
i. POPULATION:
ii. UNITS:
iii. VARIABLE:
iv. TYPE:
(c) A researcher is studying the effect of a new drug treatment for diabetes patients. She performs an experiment on 200 randomly chosen individuals with Type II diabetes. Because she believes that men and women may respond differently, she records each person's gender, as well as their change in sugar level after taking the drug for a month.
i. POPULATION:
ii. UNITS:
iii. VARIABLE 1:
iv. TYPE:
v. VARIABLE 2:
vi. TYPE