what does the standard deviation find
Example: To find the mean of the following data set: 3,2,4,1,4,4. 3+2+4+1+4+4 18 M = 6 = 6 =3 The Standard Deviation The standard deviation is the most common measure of variability, measuring the spread of the data set and the relationship of the mean to the rest of the data. If the data points are close to the mean, indicating that the responses are fairly uniform, then the standard deviation will be small.