Question

What are the principal criteria for a satisfactory average? State given the reasons the circumstances in which it would be preferable to use.
Median
Geometric Mean
Harmonic Mean

Answer 1

Question :- What are the principal criteria for a satisfactory average ? State given the reasons the circumstances in which it would be preferable to use.

Median

Geometric Mean

Harmonic Mean

Answer :-

The principal criteria for a satisfactory average are :-

• Sample stability .
• Easy to calculate .
• Simple to understand .
• Clearly defined by a mathematical formula .
• Not be affected by extreme values .
• Capable of further mathematical treatment .

Median :-

• Used where data forms a skewed distribution or ordinal data .

Geometric Mean :-

• Used where values have differing units .

Harmonic Mean :-

• Used if the data values are ratios of two variables with different measures, called rates .

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