某连续变量数列,最末组为开口组,其下限为1000,相邻组为900-1000,则最末组的组中值为()


某连续变量数列,最末组为开口组,其下限为1000,相邻组为900-1000,则最末组的组中值为()

A.950

B.1000

C.1050

D.1100

正确答案:C


Tag:数列 下限 变量 时间:2024-11-10 19:16:31