If the standard deviation of the following probability distribution: is what is the value of
If the standard deviation of the following probability distribution: can be expressed as what is
The figure above represents the graphs of the probability density functions of three different probability distributions that have the same mean Which of the following correctly represents them in order of increasing standard deviation?
Note: Assume that the areas under the curves are all equal to 1.
If the standard deviation of the numbers and is a constant , then the standard deviation of the numbers and is
What is the standard deviation of the following probability distribution: