四格表资料卡方检验,当检验水平等于0.05时,其界值是
A <img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695705_0.gif"> B
<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695705_0_1.gif"> C
<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695705_0_2.gif"> D
<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695705_0_3.gif"> E
<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12695705_0_4.gif">