1. The number of incorrect answers on a true-false competency test for a random sample of 15 students were recorded as follows: 2, 1, 3, 0, 1, 3, 6, 0, 3, 3, 5, 2, 1, 4, and 2. Find
a.) the mean;
b.) the median; and
c.) the mode.
2. The number of building permits issued last month to 12 construction firm in a small Midwestern city were 4, 7, 0, 7, 11, 4, 1, 15, 3, 5, 8, and 7. Treating the data as a population, find
a.) the mean;
b.) the median; and
c.) the mode.