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b:head_first_statistics:using_statistical_sampling [2020/12/10 15:40] – [Sometimes samples can be biased] hkimscilb:head_first_statistics:using_statistical_sampling [2022/11/04 10:40] (current) hkimscil
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 ====== Using Statistical Sampling ====== ====== Using Statistical Sampling ======
 +<code>
 +rnorm(16, 110, 10)
 +</code>
 +
 {{tablelayout?colwidth="260px"&float=left}} {{tablelayout?colwidth="260px"&float=left}}
 |{{:b:head_first_statistics:pasted:20191119-114727.png?250}}|{{:b:head_first_statistics:pasted:20191119-114827.png?250}}|  |{{:b:head_first_statistics:pasted:20191119-114727.png?250}}|{{:b:head_first_statistics:pasted:20191119-114827.png?250}}| 
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 {{:b:head_first_statistics:pasted:20191120-011104.png}} {{:b:head_first_statistics:pasted:20191120-011104.png}}
  
 +<WRAP info 60%>
 +__Poorly designed questions__
 +
 +  * Leading question: How great is our hard-working customer service team?
 +  * Fixed: How would you describe your experience with the customer service team?
 +
 +  * 유도질문: 매년마다 베스트 서비스 어워드를 받고 있는 저희 호텔에 대해서 어떻게 생각하십니까?
 +  * 정상질문: 저희 호텔의 서비스에 대해서 평가를 하신다면?
 +
 +  * 단정질문: 평상시 맥주를 어디에서 즐기십니까?
 +  * 맥주를 먹는다는 것을 단정하고 질문을 만들었다.
 +
 +  * 이중장전질문: 저희가게에서 물건을 찾기가 쉽운 편이었으며, 구입하시었나요?
  
 +  * Double Negative: 사용하신 물건이 깨끗하지 않지 않았나요?
 +  * 나는 온라인으로는 드물게 물건을 안산다. 
 +</WRAP>
  
  
b/head_first_statistics/using_statistical_sampling.1607582432.txt.gz · Last modified: 2020/12/10 15:40 by hkimscil

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