[单选题]Which of the following statements about the F-distribution and chi-square d
[单选题]The square in front of the supermarket is so limited that when going there, first of all, you should consider ______your car.A. parkingB. where to parkC. to parkD. where parking
[名词解释] 站前广场 station square
[单选题]If the square root of t is a real number, is the square root of t positive?(1) t>0(2) t2>0
[单选题,A1型题] 四格表χ2检验中χ2<χ2,可以认为()。A . 两样本率不同B . 两样本率相同C . 两总体率不同D . 两总体率相同E . 不能确定
[单选题]四格表χ2检验中χ2<χ20.60(v),可以认为()A . 两样本率不同B . 两样本率相同C . 两总体率不同D . 两总体率相同E . 不能确定