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Jar testing is a method of simulating a full-scale water treatment process, providing sys-tem operators a reasonable idea of the way atreatment chemical will behave and operatewith a particular type of raw water.
Jarque-Bera. The Jarque-Bera test is a goodness-of-fit measure of departure from normality based on the sample kurtosis and skew. In other words, JB determines whether the data have the skew and kurtosis matching a normal distribution. The test is named after Carlos M. Jarque and Anil K. Bera.