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system.kanoa.quality.spc.rule7(valueList, mean, sigma)

Rule 7: Fifteen points in a row are all within 1 standard deviation of the mean on either side of the mean (reduced variation or measurement issue)

Parameters​

valueList list[float]: A list of values
mean Float: mean value of the valueList
sigma Float: Standard deviation of the valueList values

Returns​

ruleViolation Boolean
resultSet list[bool] ruleViolation for each value in the valueList

Example​