SUS, 1 example analysis of questions 1 degree of differentiation
SUS table total score and the average is as follows: 1
Tencent class 2.92, 3.83
Tencent meeting 2.88, 3.90
Two platform differences in test results are as follows:
High and low groups take fore and aft 27% respectively, a total of 71 samples, the fore and aft were taken 20 samples
Tencent's class differentiation of 0.25
Tencent meeting degree of differentiation of 0.21

According to the results of the above two platforms respectively on the total SUS table belongs to the high group, low or no differences between groups?

Grouping is how to determine the high or low?