当进行两样本均数比较时,对同一资料,方差分析和t检验的结果关系是()。
A.F值等于t值
B.值等于t值
C.值不一定等于t值
D.用方差分析好
E.用t检验好
参考答案:B
—The meeting is about to start, yet the speaker hasn’t turned up.
— No one knows ____.
A.what the matter is
B.what is the wrong
C.what is the matter
D.how matter stood
简述所有者权益的定义及其确认条件。