题型:问答题 His report was so exciting that it was _____ interrupted by applause(掌声). [ ]A. constantly B. constant C. seldom D. never 查看答案
题型:问答题 在假设检验中,如果在α=0.02的水平下接收原假设,则在α=0.01的水平下可能有( )。A.拒绝原假设B.接受原假设C.不拒绝也不接受原假设D.样本落在拒绝域内E.样本落在接收域内 查看答案