Which of the following statements is true of the χ2 distribution?
A、Itisacontinuousprobabilitydistribution.;
B、Theχ2statisticisalwaysgreaterthanorequaltozero.;
C、Itisnegativelyskewed.;
D、Itapproachesauniformdistributionasthedegreesoffreedomincrease.
发布时间：2024-09-12 23:08:08
