Standard Deviation Equation Biology. The following scores were collected for a midterm exam given to six biology students. Square each of the resulting numbers to determine x x 2.
In a discrete series standard deviation is calculated by applying the following formula. Here is the formula you used it the steps above it looks a lot scarier than it is. Use the formula to calculate the standard deviation.
Standard deviation is always represented by the small greek letter sigma σ.
Where n is the number of observations. Use the formula to calculate the standard deviation. While calculating σ signs are taken into consideration. The best and most important measure of dispersion is standard deviation which was first worked out by karl pearson 1833.
