A .520
B .510
C .500
D .540
连续变量数列、其末组为开口组,下限为1000,其相邻组的组中值为950,则末组的组中值为( )A. 1025B. 1050C. 1100D. 1150
[单选题]某连续变量数列,其末组为开口组,下限为200,又知其相邻组的组中值为170,则末组的组中值为()。A . 190B . 215C . 230D . 285
某连续变量数列,其末组为开口组,下限为500,已知邻组组中值为480,则本组组中值为( )。A. 510B. 520C. 530D. 550
[单选题]某连续变量数列,其末组为500以上,其邻近组的组中值为480,则末组的组中值为()。A . 520B . 510C . 530D . 540
[单选题]某连续变量数列,其末组为开口组,下限为200,又知其邻组的组中值为170,则末组组中值为( )。A.260B.215C.230D.285
[单选题]某连续变量数列,其末组为开口组,下限为200,又知其邻组的组中值为170,则末组组中值为( )。A.260B.215C.230D.285
[单选题]某连续变量数列,其末组为开口组,下限为200,又知其邻组的组中值为170,则末组组中值为()。A .260B .215C .230D . D.285
[单选题]某连续变量数列,其末组为开口组,下限为200,又知其邻组的组中值为170,则末组组中值为( )。A.260B.215C.230D.185
[单选题]连续变量的数列中,其末组为开口组,下限是1100,相邻组的组中值为1050,则末组的组中值为( )。A.1050B.1100C.950D.1150
[单选] 某连续变量数列,其末组为500以上,其邻近组的组中值为480,则末组的组中值为()A. 520B. 510C. 530D. 540