【单选题】If the degrees of freedom in a t -distribution become very large, _______.
A.
the t -values and the z -values are almost the same
B.
the sample size must be very small
C.
the population size must be very large
D.
the sample mean approaches zero
【判断题】父母与子女间的关系因父母离婚而消除。 ( ) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【判断题】父母与子女间的关系,不因父母离婚而消除。
【单选题】对于分期付息债券,应付利息的核算账户是( )
【单选题】Another useful ______ is offered by the possibility of putting very large dictionaries onto a single disc.