Use this option to delete rows in which the standard deviation meets the specified criteria.The expression entered in this field must include the key term STD and have the appropriate syntax. Valid expressions include:
• STD GT xx , which instructs the process to eliminate rows in which the standard deviation is greater than some number xx ,
• STD LT xx , which instructs the process to eliminate rows in which the standard deviation is less than some number xx , and
• STD EQ xx , which instructs the process to eliminate rows in which the standard deviation is equal to some number xx .The number xx is some whole number that you specify in the statement.Example : To eliminate rows in which the standard deviation exceeds 5, type STD GT 5 in the text box (shown below).