填空题 7.  Find the mean and median of the values of the random variable X, whose relative frequency distribution is given in the following table.
      X            Relative Frequency     
0
1
2
3
4 		0.18
0.33
0.10
0.06
0.33
  • 1、
【正确答案】 1、mean=2.03, median=1    
【答案解析】