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2. Nyquist–Shannon sampling theorem - Wikipedia

   en.wikipedia.org/wiki/Nyquist–Shannon_sampling...

   Nyquist–Shannon sampling theorem. The Nyquist–Shannon sampling theorem is an essential principle for digital signal processing linking the frequency range of a signal and the sample rate required to avoid a type of distortion called aliasing. The theorem states that the sample rate must be at least twice the bandwidth of the signal to avoid ...

3. Sampling (statistics) - Wikipedia

   en.wikipedia.org/wiki/Sampling_(statistics)

   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 ...

4. Category:Non-free audio samples by artist - Wikipedia

   en.wikipedia.org/wiki/Category:Non-free_audio...

   Beastie Boys audio samples ‎ (1 F) The Beatles audio samples ‎ (80 F) Chuck Berry audio samples ‎ (3 F) Beyoncé audio samples ‎ (45 F) Justin Bieber audio samples ‎ (19 F) Big Star audio samples ‎ (4 F) BigBang (South Korean band) audio samples ‎ (10 F)

5. Walmart Is Adding Free Samples To Over 1,000 Stores - AOL

   www.aol.com/walmart-adding-free-samples-over...

   The free samples will be offered at demo stations that advertisers can purchase as part of larger partnerships with Walmart. At these demo stations, customers will be able to sample products and ...

6. Product sample - Wikipedia

   en.wikipedia.org/wiki/Product_sample

   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). [1] Sometimes samples of non-perishable items are included in direct marketing mailings. The purpose of a free sample is to ...

7. Simple random sample - Wikipedia

   en.wikipedia.org/wiki/Simple_random_sample

   In statistics, a simple random sample (or SRS) is a subset of individuals (a sample) chosen from a larger set (a population) in which a subset of individuals are chosen randomly, all with the same probability. It is a process of selecting a sample in a random way. In SRS, each subset of k individuals has the same probability of being chosen for ...