A professional basketball team has scored the following points in their first thirty games: 88, 87, 90, 101, 102, 99, 94, 97, 103, 104, 106, 101, 100, 99, 96, 107, 103, 111, 105, 97, 103, 88, 82, 91, 95, 98, 99, 101, 87, 90 The population mean is 97.5 points. Find the sample mean that is comparable to the population mean. first ten games first twenty games last ten games last twenty games