how to get a standard deviation for a simple equation what is the standard deviation and mean in statistics how to get the variance of the standard deviation in sqrt what does the equation for t11 what is standard deviation in an equation is it possible to graph this? is it possible to graph this how to graph mean and standard deviation how does the standard deviation in a graph compare to the mean can i graph a population how to find the standard deviation is it possible to graph? can you graph the mean of your observations in a graph how to plot the standard deviation is it possible to graph an equation how to find standard deviation of data is it possible to graph the t how does an equation work? how many observations in a graph of a population if the equation is hard to read, it is just the standard deviation of 12 observations over a mean of _____.