Normal time for a stopwatch study is equal to which of the following?
A、Averageobservedtime×Performanceratingfactor
B、Averageobservedtime+Performanceratingfactor
C、Averageobservedtime/Performanceratingfactor
D、Averageobservedtime-Performanceratingfactor
E、Performanceratingfactor/Averageobservedtime
发布时间：2025-08-01 02:00:03
