Determine the mean, median and mode for the data set. 15, 7, 10, 12, 11, 10, 12, 8, 7, 10, 11, 12, 15, 10, 11, 12, 10, 7, 8, 6 A. mean: 10; median 10.2; mode 7
B. mean: 10.2; median 10; mode 10
C. mean: 10.2: median 11; mode 12
D. mean 10. median 11, mode 7 and 11