sample can also be called _____________.()
A: duplicate
sample
B: sealed
sample
C: confirmed
sample
D: contracted
sample
举一反三
- Counter sample can also be called ( ) A: duplicate sample B: sealed sample C: return sample D: reference sample
- Counter samples can also be called （ ）. A: duplicate samples B: sealed samples C: confirmed samples D: reference sample
- 凭卖方样品成交时,应留存( )以备交货时核查之用。 A: counter sample B: duplicate sample C: free sample D: sample for<br/>reference
- 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
- 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.
内容
- 0
The<br/>methods used for evidence collection will vary depending on?() A: the<br/>environmental condition B: Laboratory<br/>condition C: the<br/>entirety of sample D: the<br/>type of sample
- 1
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.
- 2
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
- 3
Two events are mutually exclusive if( ) A: the<br/>probability of their intersection is 1. B: they have no sample points in common. C: the<br/>probability of their intersection is 0.5. D: the<br/>probability of their union is 1 and they have no sample points in<br/>common.
- 4
If we wanted to reduce the standard error of the sample mean by half, we would need a sample size of about() A: 184 B: 46 C: 92 D: 50 <br/>Part 4 - Retail Sales<br/>A retailer randomly sampled 38 shoppers on “Black Friday”<br/>(the day after Thanksgiving – the largest retail shopping day<br/>of the year in the E: ), and surveyed them about their shopping<br/>habits, including time spent. The sample mean was reported as 5.58<br/>hours, with a sample variance of 7.59.