Stratified random sampling is a method of sampling that divides a population into smaller groups that form the basis of test samples.

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Sampling is the process of creating a small unbiased population to be used in a test or experiment. The sample removes the impractical idea of surveying everyone in a market or a population. Random ...

With the introduction of the WaveExpert 9000 and SDA 100G, LeCroy Corp joins Agilent (www.agilent.com) and Tektronix (www.tektronix.com) in offering scopes in a category that used to be called ...