题目123.单选题(1分) 数据1,2,3,4,5,6,5,7,9,10编秩,5的秩为()A. 2.5B. 3.5C. 4.5D. 5.5E. 6.5123.单选题(1分) 数据1,2,3,4,5,6,5,7,9,10编秩,5的秩为()A. 2.5B. 3.5C. 4.5D. 5.5E. 6.5题目解答答案D. 5.5