WCHS: Warren County High School (Warren County, Tennessee) WCHS: Warren Central High School (Indianapolis, Indiana) WCHS: White County High School: WCHS: Wesley Chapel High School (Wesley Chapel, FL) WCHS: Willow Canyon High School (Surprise, Arizona) WCHS: Western Canada High School (Calgary, Alberta Canada) WCHS: Wirt County High School (West Virginia) WCHS
Standard deviation is the average or mean of all the averages for multiple sets of data. Scientists and statisticians use the standard deviation to determine how closely sets of data are to the mean of all the sets.
Standard deviation plots are typically used in conjunction with mean plots. The mean plot would be used to check for shifts in location while the standard deviation plot would be used to check for shifts in scale. This sample standard deviation plot shows. 1  there is a shift in variation;  greatest variation is during the summer months.