Chat with our AI personalities
The smaller the standard deviation, the closer together the data is. A standard deviation of 0 tells you that every number is the same.
The standard deviation of the population. the standard deviation of the population.
You cannot. If you are told the standard deviation of a variable there is no way to tell whether that was derived from grouped or ungrouped data.
The standard deviation is 0.
How widely spread out, or tightly concentrated about the mean it is.