«STRATIFIED SAMPLE»に関連する英語の本
以下の図書目録から
stratified sampleの使いかたを見つけましょう。
stratified sampleに関する本と英語文献で使われた文脈を提供するための簡単な抜粋文。
1
Handbook of Research Methods in Public Administration, ...
There is no way, though, that a stratified sample does not reflect the population's
strata, in this case departments with assigned vehicles. 14.3.3.1 Proportional or
Nonproportional An issue in stratified sampling is how many units to select from ...
Gerald J. Miller, Kaifeng Yang, 2007
2
The Art of Empirical Investigation
But compare this unstratified sample against a sample that is "stratified" to take
ten families from each quarter. The stratified sample is likely to be closer to the "
actual" mean than the unstratified sample, for it has equal numbers of families in
the ...
Julian Lincoln Simon, 2003
3
Sampling in Educational Research
That is to say, in setting confidence limits for the population mean, one will set
wider limits than one need or should, since the standard error of a stratified
sample is almost always smaller than that of a simple random sample. But an
error on ...
Harold John Butcher, 1966
4
Essentials of Business Research Methods
stratified sample are usually selected either by drawing simple random or
systematic samples of the specified size from the strata of the target population.
With stratified sampling, elements must be selected from all the strata of the total
sample.
Joseph F. Hair, Mary Wolfinbarger Celsi, Arthur H. Money
5
Statistics of income: Turning administrative systems into ...
An inverse sampling algorithm to draw a simple random sample from a stratified
sample was described in Hinkins, Oh, and Scheuren ( 1 994). By resampling from
a stratified sample, one can produce a simple random sample as if it had been ...
United States. Internal Revenue Service. Statistics of Income Division, American Statistical Association, 1995
6
Essentials of Marketing Research
proportional stratified sample A stratified sample in which the number of sampling
units drawn from each stratum is in proportion to the population size of that
stratum. disproportional stratified sample A stratified sample in which the sample
size ...
William Zikmund, Barry Babin, 2012
7
The Essentials of Marketing Research
STRATIFIED SAMPLES When subgroups of the population are of special interest
to the researcher, a stratified sample may serve a better purpose than a simple
random sample. A stratified sample is characterized by the fact that the total ...
Robert E. Stevens, Bruce Wrenn, David Loudon, 2012
8
Research Methods and Writing Research Proposals
Prof. Dr. Samy Tayie. sample. 3. The procedure is generally inexpensive. 3.
Stratified Sample B) Disadvantages 1. A complete list of the population must be
obtained. 2. Periodicity may bias the process.
For comparisons with adaptive strategies, the fourth column gives the variance of
the stratified sample mean ˆμ∗0 of the stratified mean of a conventional stratified
random sample with total sample size equal to E(ν), the expected sample size ...
10
The Marketing Research Guide Second Edition
A stratified sample is characterized by the fact that the total population is (1)
divided into mutually exclusive subgroups (strata), and that (2) a simple random
sample isthen chosen fromeach subgroup. Thisis a modified typeofrandom
sample.
Robert E Stevens, David L Loudon, Morris E Ruddick, 2012
用語«STRATIFIED SAMPLE»を含むニュース項目
国内外の報道機関が語った内容や、次のニュース項目の文脈から
stratified sampleという用語がどのように使われているかを調べてみましょう。
Predicting Rare Events In Insurance
The validation file is also stratified in an identical manner. The model is then built on the stratified sample arising from the development file. The first validation is ... «The Predictive Analytics Times, 5月 15»
Change.org Petition And OIA On Chch EQC Repair Quality
b. a “randomly selected sample” was self-selected by EQC, HNZ and Private ... 6) Please could you explain how the stratified sample chosen is statistically ... «Scoop.co.nz, 4月 15»
TBI Cases Rising In Emergency Rooms, As Study Finds 30% Jump …
... from the Nationwide Emergency Department Sample (NEDS) database, which represented about a 20 percent stratified sample of emergency visits. The study ... «Medical Daily, 5月 14»
A Comparison of Results from Surveys by the Pew Research Center …
This report examines Google Consumer Surveys, a new tool developed by Google that interviews a stratified sample of internet users from a diverse group of ... «Pew Research Center for the People and the Press, 11月 12»
