资讯
In a randomized complete block design (RCBD), each level of a "treatment" appears once in each block, and each block contains all the treatments. The order of treatments is randomized separately for ...
Example 63.2: PPS Selection of Two Units Per Stratum A state health agency plans to conduct a state-wide survey of a variety of different hospital services. The agency plans to select a probability ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果