when does an answer have a negative standard deviation can the mean be smaller than sd should a mean be less than sd can mean be smaller than sd what does mean mean and sd mean can sd and ms be smaller how does mean and standard deviation differ? what means vs standard deviation can mean be larger than sd can mean and standard deviation be greater is mean larger than standard deviation what is the relationship between the mean and the standard deviation of numbers what is the relationship between standard deviation and mean how can a mean be smaller than a standard deviation does mean be smaller than sd if the score is negative does mean need to be greater can sd be higher than mean can mean be smaller than standard deviation how should mean be smaller than standard deviation can sd and mean be greater