The first thing to notice is that since the sample size is large, we can be less reserved than in the previous case about drawing conclusions, as the sampling variability will be much reduced.

• 因为样品大小是大的，对注意的第一件事物是那, 我们能是较不保留超过在早先的情形，有关引起结论，当取样易变将会多被减少之时。