Managed by Sparky Anderson, the Reds of the 1970s were a virtual Hall of Fame gallery with Rose, Joe Morgan, Johnny Bench and Tony Perez. This team won back-to-back world championships (1975-76), four pennants and six division titles. Four Reds won Most Valuable Player awards.
Pooled standard deviation is a way to find a better estimate of the true standard deviation given several different samples taken in different circumstances where the mean may vary between samples but the true standard deviation (precision) is assumed to remain the same. It is calculated by. or with simpler notation,
STDEV function. Estimates standard deviation based on a sample. The standard deviation is a measure of how widely values are dispersed from the average value (the mean). Important This function has been replaced with one or more new functions that may provide improved accuracy and whose names better reflect their usage.