I need someone to refresh my memory. Stratified Sampling has equal number of members in each subgroup if the target population also has an equal proportion of...
In stratified random sampling the units of the population are first divided into sub-populations of sizes N1, N2,...Nk respectively. The sub-populations are...
I agree with Jigna, but wish to draw a connection: the SRS that moccalatte describes, that samples p % of each sub-population, where p is constant for all the...
Hi Am harika am studying M.Sc (Statistics) in Distance mode we have 1st paper as Statistical Inference i failed in that paper because i didn't understand even...
Harika, sorry about your paper. I don't know how your course is being taught, but many courses don't, in my opinion, adequately explain something that is...
"Most people at this point will "reject" the hypothesis, but what does that mean? "   To suppliment it,my question is: even based on all circumstatial...
Hi, I have a question about corr.coefficients. X is an independent variable with mean ?1 and variance ó1 2 Y is an independent variable with mean ?2 and...
Deniz, Here is a rough draft of the solution. Hope that this helps. Maureen Corr(ab) = cov(ab)/sqrt(var(a)*var(b)) a= (x-y) b = x ab = x^2 – xy Cov(ab) =...
Kaushik, I am sure that many statisticians feel as you do: A hypothesis H, once rejected, has low probability ("the probability of falseness is high"). Two...
Hi all I am an MSc Student of biostatistics and I want to learn about practical statistical Bayes. At the beginning I am searching to find a text book in this...
Ehsan, A useful introductory text is Berry, D.A. (1996). Statistics: A Bayesian Perspective. Duxbury, London. especially if you are working in stats in...
 Friends, this is requerement for the Leading Market Research company(AC Nielsen) in countries Philippines/Thailand/ Vietnam.  Interested people having...
Dear all, I am taking a course in multivariate statistics here in Madrid for my Math's degree and I need some advice with following issues. -If a sample of a...
Hi, You can use following link to learn SAS. dss.princeton.edu/online_help/stats_packages/sas/sas_tutorial/59322/index.htm        Regards, Vijay Shinde...
Hi Akanksha, I think 1st u can give pts for all companies. e.g For turn over If max turn over is 10 lac then make give pts on the basis of turn over 1 lac - 3...
Hi For beginning you can visit official website of SAS (www.sas.com) and DL user guide that provide via SAS Company. Also you can find many books, papers and...
Can anyone send me a data set with at least 50 observations, three continuous variables and one categorical independent variable? The dependent variable must...
Dear all, Â Trust this mail finds you in the pink of your health. Â I've currently moved to Muscat on an assignment and therefore my Indian mobile will be...
Carnegie-Mellon University, in Pittsburgh, PA, used to have a wonderful collection of datasets. Google that and see what you can find. Meanwhile, look around...
http://www.census.gov/main/www/cen2000.html http://www.geiacenter.org/ http://www.bentley.edu/csbigs/csbigs-v2-n1.cfm are some links that may be helpful ...
What does it mean ??? Yesterday I was going through some analysis done. There was about ten questions. The respondent was supposed to tell his satisfaction...
What does it mean ??? Yesterday I was going through some analysis done. There was about ten questions. The respondent was supposed to tell his satisfaction...
Rakesh, that looks very much like the "net promoter score." The NPS is normally calculated on a 10-point scale (1=not at all satisfied; 10=completely...
