The geometric mean
Merits
i. This makes use of all the values described except while x = 0 or negative
ii. This is the best measure for industrial increase rates
Demerits
i. The determination of the GM by utilizing logarithms is not familiar process to all those expected to use it as, managers
ii. If the data contains zeros or -ve (negatie) values, the GM ceases to exist
The weighted mean and harmonic mean
Merits – similar as the arithmetic mean
Demerits – similar as the arithmetic mean