how to find standard deviation in categorical distribution standard deviation example in categorical distribution how to find the standard deviation of categorical distribution how to find standard deviation from categorical how to find standard deviation in categorical distribution how to find the standard deviation in categorical distribution how to find standard deviation in categorical distribution how can i find the standard deviation in categorical distribution how to find the standard deviation in categorical distribution how to calculate the standard deviation for a categorical distribution how to find the standard deviation of a categorical distribution if a standard deviation is zero what is normal? how to find standard deviations what is standard deviation in categorical distribution how to find the deviation of categorical distribution how to find the standard deviation how to find the standard deviation of categorical distribution how to find standard deviation in categorical distribution how to find standard deviation how to find the standard deviation on categorical distributions