某湖水不同季节氯化物含量(mg/L) 已知其分布呈正态且方差齐,比较不同季节氯化物含量是否有差别的假设检验最宜选用的计算检验统计量的公式是
A <img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12477794_0_1.gif"> B
<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12477794_0_2.gif"> C
<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12477794_0_3.gif">] D
<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12477794_0_4.gif"> E
<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230104/12477794_0_5.gif">