A: attributes sample.
B: variables sample.
C: random sample.
D: representative sample.
举一反三
- A<br/>sample in which the characteristics of the sample are the same as<br/>those of the population is a ( ) A: variables<br/>sample. B: representative<br/>sample. C: attributes<br/>sample. D: random<br/>sample.
- 23. Sale by sample includes sale by seller’s sample, sale by buyer’s sample and sale by duplicate sample.
- To obtain a sample of 10 books in the store, the manager walked to the first shelf next to the cash register to pick the first 10 books on that shelf. This is an example of a A: systematic sample. B: simple random sample. C: stratified sample. D: convenience sample.
- An analyst does research about sampling and estimation. With respect to statistical analysis, a sample statistics is least described as: A: the set of rules used to select a sample. B: quantity computed from a sample. C: descriptive measure of a 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
内容
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A researcher wants to estimate the difference in the means of two populations. A random sample of 36 items from the first population results in a sample mean of 430. A random sample of 49 items from t
- 1
Counter sample can also be called ( ) A: duplicate sample B: sealed sample C: return sample D: reference sample
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Counter<br/>sample can also be called _____________.() A: duplicate<br/>sample B: sealed<br/>sample C: confirmed<br/>sample D: contracted<br/>sample
- 3
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
- 4
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