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In mathematics, specifically group theory, the free product is an operation that takes two groups G and H and constructs a new group G ∗ H. The result contains both G and H as subgroups , is generated by the elements of these subgroups, and is the “ universal ” group having these properties, in the sense that any two homomorphisms from G ...
Free samples. A free sample or "freebie" is a portion of food or other product (for example beauty products) given to consumers in shopping malls, supermarkets, retail stores, or through other channels (such as via the Internet). Sometimes samples of non-perishable items are included in direct marketing mailings.
A visual representation of the sampling process. 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 ...
The most obvious economic effect of Wikipedia has been the death of commercial encyclopedias, especially printed versions like Encyclopædia Britannica, which were unable to compete with a product that is essentially free.
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.
Blender – Computer graphics software featuring modeling, sculpting, texturing, rigging, simulation, rendering, camera tracking, video editing, and compositing. MakeHuman. OpenFX – Modeling and animation software with a variety of built-in post processing effects. Seamless3d – Node-driven 3D modeling software.
These efforts can attempt to stimulate product interest, trial, or purchase. Examples of devices used in sales promotion include coupons, samples, premiums, point-of-purchase (POP) displays, contests, rebates, and sweepstakes.
Food sampling. Food sampling is a process used to check that a food is safe and that it does not contain harmful contaminants, or that it contains only permitted additives at acceptable levels, or that it contains the right levels of key ingredients and its label declarations are correct, or to know the levels of nutrients present.
Sample. Look up sample, sampled, or samples in Wiktionary, the free dictionary. Sample or samples may refer to: Sample (graphics), an intersection of a color channel and a pixel. Sample (material), a specimen or small quantity of something. Sample (signal), a digital discrete sample of a continuous analog signal.
Generally, Wikipedia must have permission to use copyrighted works. There are some circumstances under which copyrighted works may be legally utilized without permission; see Wikipedia:Non-free content for specific details on when and how to utilize such material.