Question

Determine whether the given value is a statistic or a parameter.

a.) The mean salary for construction workers is .

b.) In a study of all students at a college it is found that own a vehicle.

c.) A homeowner measured the voltage supplied to his home on days of a given week, the average (mean) value is .

d.) A particular country has total states. If the areas of states are added and the sum is divided by , the result is  .