Please read and use the following information to answer questions 11, 12, and 13:

Big packages of M&M Plain Candies have a mean weight of 16 ounces with a standard deviation of .15 ounces. A chocolate loving researcher decides to a random sample of 20 big bags of M&M Plain Candies and finds a mean weight of 15.9 ounces with a standard deviation of .20 ounces.

11. Which of the following is a statistic?
a. 16
b. .15
c. 20
d. .20

12. Which of the following is a parameter?
a. 20
b. 15.9
c. 16
d. .20

Parameters are data on total populations, while statistics are data on portions of a population (samples).