For each of the given statistical summaries, explain whether it is a population parameter or a sample statistic.
a. In the 2000 census of the United States, it was determined that the average household size was 2.59 persons per household (https://www.census.gov).
b. In an ABC News poll completed in June 2004, 36% of n 500 persons surveyed said that they supported replacing the portrait of Alexander Hamilton on the U.S. $10 bill with a portrait of Ronald Reagan (www. pollingreport.com/news.htm).
c. To estimate average normal body temperature of all adults, a doctor measures the temperatures of 100 healthy adults. The average temperature for that group is 98.2 degrees Fahrenheit.