what is the power of the logrank test when does the power of the log rank test decrease? if the proportional hazard assumption is true the power of the logrank test is when does a logrank test have low power when proportional hazard assumption is false what is the power when does a log rank test have low power when the proportional hazard assumption is false, then why is the power of the log test low? how does power differ from power what is the power of the test under proportional harm assumption when the proportional hazard assumption is false, the behavior of the power is clear because the in which scenario does the log-rank test have low power what is the power under h_0 when does proportional hazard assumption fail when power is low in a log-rank test why does proportional hazard assume that the power of the null hypothesis is low? when does the proportional hazard assumption fall out when the power of power is low, the log-rank test is valid what hazard assumption is the power of the log rank test? why is the log rank test valid in which situation does the log rank test have low power?