why do survival experiments test for null hypothesis why logrank test is used for survival analysis when to use logrank test for survival analysis when a survival analysis is performed, the null hypothesis is rejected. what is the purpose of a logrank test? how to test posthoc survival analysis when can i use a logrank test which pair of groups is null hypothesis does logrank test reject the hypothesis can a logrank test be used for survival analysis how to test for a null hypothesis why is logrank test used when a hypothesis is rejected when you use logrank test which group of groups is a survival analysis test and why? when you use logrank test the hypothesis is rejected? which type of analysis is used to find the null hypothesis? why does logrank test fail what type of test is used for survival analysis what is the logrank test used for? how can i tell when a hypothesis is rejected when using logrank test, hypothesis is rejected