Search results
Results from the WOW.Com Content Network
Sample size determination or estimation is the act of choosing the number of observations or replicates to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample size used in a study is usually determined ...
Sampling (statistics) In statistics, quality assurance, and survey methodology, sampling is the selection of a subset or a statistical sample (termed sample for short) of individuals from within a statistical population to estimate characteristics of the whole population. The subset is meant to reflect the whole population and statisticians ...
A statistical hypothesis test is a method of statistical inference used to decide whether the data sufficiently supports a particular hypothesis. A statistical hypothesis test typically involves a calculation of a test statistic. Then a decision is made, either by comparing the test statistic to a critical value or equivalently by evaluating a ...
The South African National Census of 2011 is the 3rd comprehensive census performed by Statistics South Africa. The 2011 census was the first census to include geo-referencing for every individual dwelling in South Africa.
t. e. Statistical inference is the process of using data analysis to infer properties of an underlying distribution of probability. [1] Inferential statistical analysis infers properties of a population, for example by testing hypotheses and deriving estimates. It is assumed that the observed data set is sampled from a larger population.
The Canadian Journal of Statistics. Communications in Statistics. International Statistical Review. Journal of the American Statistical Association. Journal of Multivariate Analysis. Journal of the Royal Statistical Society. Probability and Mathematical Statistics. Sankhyā: The Indian Journal of Statistics. Scandinavian Journal of Statistics.
www.statssa.gov.za. Statistics South Africa (frequently shortened to Stats SA) is the national statistical service of South Africa with the goal of producing timely, accurate and official statistics, in order to advance economic growth, development and democracy. To this end, Statistics South Africa produces official demographic, economic and ...
It was established on 1 April 1999 as an autonomous statutory body in accordance with the National Research Foundation Act. Dr Fulufhelo Nelwamondo has been appointed as Chief Executive Officer of the National Research Foundation of South Africa with effect from 1 April 2021. The NRF Board is chaired by Prof Mosa Moshabela. [1][2]