Question: An urban geographer randomly samples 20 new residents of a neighborhood to determine their ratings of local bus service. The scale used it as follows: 0-very dissatisfied, 1-dissatisfied, 2-neutral, 3-satisfied, 4-very satisfied. The 20 responses are
0, 4, 3, 2, 2, 1, 1, 2, 1, 0, 01, 2, 1, 3, 4, 2, 0, 4, 1.
Use the median test to see whether the population median is 2.