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In the same way that you calculate mean and median that are greater than the standard deviation!
A standard normal distribution has a mean of zero and a standard deviation of 1. A normal distribution can have any real number as a mean and the standard deviation must be greater than zero.
Yes - but the distribution is not a normal distribution - this can happen with a distribution that has a very long tail.
Standard deviation in statistics refers to how much deviation there is from the average or mean value. Sample deviation refers to the data that was collected from a smaller pool than the population.
There is no such thing. The standard error can be calculated for a sample of any size greater than 1.