The<br/>process which requires the calculation of an interval and then<br/>selects the items based on the size of the interval is ( <br/>) A: statistical<br/>sampling. B: random<br/>sample selection. C: systematic<br/>sample selection. D: computerized<br/>sample selection.

When a person draws a conclusion about a population based on a sample that is not large enough, the person is likely to commit a fallacy called:

Counter sample can also be called ( ) A: duplicate sample B: sealed sample C: return sample D: reference sample

Counter<br/>sample can also be called _____________.() A: duplicate<br/>sample B: sealed<br/>sample C: confirmed<br/>sample D: contracted<br/>sample

The sample made by the seller according to the buyer’s, and then sent to and confirmed by the buyer is called __________. A: duplicate sample B: returning sample C: original sample D: copy sample

In international trade, according to supplier of the sample, sales by sample can be divided into A: Sales by Seller’s Sample B: Sales by Buyer’s Sample C: Sales by Counter Sample D: Sale by Descriptions or Illustrations E: Sales by Reference Sample

Which are the common used ways to sampling? A: Simple random sample without replacement B: Simple random sample with replacement C: Stratified sample D: Cluster sample

23. Sale by sample includes sale by seller’s sample, sale by buyer’s sample and sale by duplicate sample.

In “ sale by the seller’s sample”, _______ sample is ultimately in the hand of the seller.

What is NOT the limitation of the current study? A: The sample size is small. B: The estimate of prevalence is not accurate. C: The design of the study precludes conclusion on causality in terms of psychological distress and the correlates examined. D: The research findings are based only on self-report.