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 ...
The growth–share matrix[ 2] (aka the product portfolio matrix, [ 3] Boston Box, BCG-matrix, Boston matrix, Boston Consulting Group analysis, portfolio diagram) is a chart created in a collaborative effort by BCG employees: Alan Zakon first sketched it and then, together with his colleagues, refined it. [ 4]
Fashion is defined in a number of different ways, and its application can be sometimes unclear. Though the term fashion connotes difference, as in "the new fashions of the season", it can also connote sameness, for example in reference to "the fashions of the 1960s", implying a general uniformity. Fashion can signify the latest trends, but may ...
In frequentist statistics, power is a measure of the ability of an experimental design and hypothesis testing setup to detect a particular effect if it is truly present. In typical use, it is a function of the test used (including the desired level of statistical significance ), the assumed distribution of the test (for example, the degree of ...
Introduction. In survey methodology, the design effect (generally denoted as , , or ) is a measure of the expected impact of a sampling design on the variance of an estimator for some parameter of a population. It is calculated as the ratio of the variance of an estimator based on a sample from an (often) complex sampling design, to the ...
History of fashion design refers specifically to the development of the purpose and intention behind garments, shoes, accessories, and their design and construction. The modern industry, based around firms or fashion houses run by individual designers, started in the 19th century with Charles Frederick Worth who, beginning in 1858, was the ...
Case–cohort study. A case–cohort study is a design in which cases and controls are drawn from within a prospective study. All cases who developed the outcome of interest during the follow-up are selected and compared with a random sample of the cohort. This randomly selected control sample could, by chance, include some cases.
It's paving the way for a new way of shopping that's driven by the consumer. Consumers are shifting away from "wanting to replicate things they see online in a one-to-one way," Van Ruiten said ...