刘同学2018-05-18 12:51:15

The following information is about the price earning (P/E) ratios for the common stocks held in a manager’s portfolio: The relative frequency and the cumulative relative frequency, respectively, for interval II are closest to: A Relative frequency is 20% ; Cumulative relative frequency is 85% B Relative frequency is 22%; Cumulative relative frequency is 36% C Relative frequency is 22%; Cumulative relative frequency is 85% 出错了。无答案