Following the basic structure of the manual running total a series of three formulas can be used to determine and display the Geometric Mean. Sqrtnprod_i1n x_i The geometric mean formula for grouped data can be written as. In other words the logarithm of x or logₐx shows what power we need to raise a to or if x is greater than 1 how many times a needs to be multiplied by itself to produce the value x.
This results in a -362 annual return.
The logarithm of the Geometric Mean is 6510544 162764 the average of the logs From your calculator determine the number whose logarithm is 162764 use the antilogarithm key and you will find that the Geometric Mean 424 ent100 ml. The geometric mean of X is denoted by G M and is given by G M i 1 n x i f i 1 N log. Geometric mean is used when the data is in terms of rates and ratios. Key facts about the geometric mean Prism computes the geometric mean by computing the logarithm of all values then calculating the mean of the logarithms and finally taking the antilog.