A set of data is known: 6,3,4,7,6,3,5,6. (1) find the mode and median of the data (2) find the mean and variance of the data
The mode of this set of data is 6, and the median is (5 + 6) △ 2 = 5.5
Average = (3 + 3 + 4 + 5 + 6 + 6 + 6 + 7) △ 8 = 5
s²=1/8×﹙4+4+1+0+1+1+1+4)=2