Look for the symbol 10 x on your calculator which is usually a secondary function of the LOG button. Using the harmonic mean is most appropriate when the set of numbers contains outliers that might skew the result. 1 x 5 x 10 x 13 x 30 19500 and then calculate the 5-th root of 19500 721.
The marks obtained by a sample of 5 students in a class test are as follows.
O f X X x 1 x 2 x 3. The formula for calculating mean for ungrouped data is. Geometric Mean for Grouped Data Example 1. How To Find the Mean of Ungrouped Data.