问题：
[单选题]根据两个随机样本，计算得到样本1的方差为1.75，样本2的方差为1.23，要检验两个样本方差是否相等，其检验统计量为（）
A、1.42
B、1.52
C、1.62
D、1.72
参考答案：
A
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