Lan Liu, Michael G. Hudgens, Large Sample Randomization Inference of Causal Effects in the Presence of Interference, Journal of the American Statistical Association, Vol. 109, No. 505 (March 2014), pp ...

What Is Random Factor Analysis? Random factor analysis is a technique used to determine the quality of a firm's output using a randomly collected sample. This greatly reduces the time and cost ...

Less than 5 percent reported randomization, sample size outcome or blinded assessment. Only 11 percent of the studies referred to published, peer-reviewed reports of preclinical efficacy.

Common methods of surveying small groups Essentially, all surveys of small populations must grapple with the fact that achieving a sample large enough to produce meaningful findings is difficult and ...

Xiaofeng Liu, Statistical Power and Optimum Sample Allocation Ratio for Treatment and Control Having Unequal Costs Per Unit of Randomization, Journal of Educational and Behavioral Statistics, Vol. 28, ...

The common assumptions made when doing a t-test include those regarding the scale of measurement, random sampling, normality of data distribution, adequacy of sample size, and equality of variance ...

Most auditors seek to obtain a random sample to get a truer representation of the population. A systematic selection of choosing every "nth" item doesn't always work well in an organized inventory ...

Elon Musk said his $44 billion Twitter deal is on hold pending his own research to confirm the company's estimate that less than 5% of users are fake.