The statistics used in the data analysis is to find the performance according to benchmarks of 80/80 consistency index value (IOC) average (x ̅). Standard deviation (S.D.) and test t-test
The statistics used for data analysis was performed according to standard criteria 80/80 IOC (IOC), mean (x ̅) the standard deviation (SD) and test the t-test.
The statistical analysis is to find the efficiency of standard 80 / 80 index of consistent (IOC) mean (x ̅) standard deviation. (S.D.) and test the t-test.