
178 A First Course in Quality Engineering
at which the trials were run and then choose the treatment combination that
produces the best response� In this example, the combination with Factor A
at the higher level and Factor B at the lower level produces the least time for
mowing and, therefore, provides the best combination of the parameters con-
sidered� This method of selecting the best combination of levels from those
at which trials were conducted is referred to as “running with the winner,”
meaning that no further analysis of the data is made to investigate responses
at other possible treatment combinations in the factor level space� The ...