The pike head verbatim et lit eratim of article points Chinese home financial investigation of southwest finance and economics university and search center(hereafter referred to CHFS) the gang figure of release is in 《Chinese home financial investigation reports 2012 》 :In sample in the town, 10% earths most rich man, occupy all 90%s of richeses;All household in china town assets is up to CNY 2,470,000, urban assets in the whole china is more than 21% of American total assets.
The parlance of “all household in china town assets is up to CNY 2,470,000” sparked a public thermal argument.The figure like this exactly can believe, how does the community comprehend 2012 nfl jerseys these statistics figures?
Yao Shu Jie says that sur the figure of CHFS sample, he figures out of result in, household in china town all the assets only have 760,000 dollars.
Yao Shu Jie thinks that the CHFS statistics has a subject:On the other hand, the sample is too small, only more than 8000 households, the incapability is in order to reckoned 250,000,000 urban populations in the whole country.On the other hand, the investigator who have takes no responsibility, the reliability of hard assurance figure.
Query to the Yao tree Jie, CHFS gave correspondence.The selection of concerning sample, survey set sweet plough to responsible person says, finding whether science amalgamation is incompletely decided by the extent of sample, random sex a fortiori is important.As long as the variance performance enough reflects entirety, so 8000 sample the volume is good enough to explain subject.
Sociology in the Chinese agency section, hospital says social shape room director ‘si Li Wei’s presentation, the select of sample extent what to is decided by account is which index, if figure out a certain social attitude, it is 0% to 100% to take to be worth interval, 8000 representatives should be all right already, because its error will less than 1%.But if want to figure out some numerical values, for example receive and atrium price, their take wholesale snapbacks and be worth interval the amount of sample that can need this time from 0 dollars to infinity Be 8000 to is far not only, was like the labor rate of unemployment that statistics bureau in the state commits survey, the sample measures all is ten several ten thousand even ascend 1,000,000.
In re inquisitional profession, sweet plough correspondence, their the visiting a member all living for the southwest finance and economics collegiate undergraduate course, graduate student.They have fair professional foundation, and after the training of strict system, evaluation of one’s performance.
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