why rely on the standard error difference between standard error and standard deviation what's the difference between standard error and standard deviation? what is the difference between standard error and standard deviation what is the difference between standard deviation and standard error why use standard deviation what is the relationship between standard error and standard deviation what is the standard deviation and standard deviation why do we rely on the standard error what is the difference between standard error and standard deviation? what is the standard error? difference between standard error and standard deviation when using standard error, why rely on it what is the difference between the standard error and standard deviation what is the difference between standard error and standard deviation why do we rely on standard error? a. standard deviation b. sample mean why do we rely on standard deviation why do we rely on the standard deviation why rely on standard deviation difference between the standard deviation and standard error