Question

Why is the mode not used very much as a measure of central tendency?

Answer 1

It is a quick, but crude look at the frequency distribution.

Explanation:

The mode can be helpful in some analyses, but generally it does not contain enough accurate information to be useful in determining the shape of a distribution. When it is not a "Normal Distribution" the Mode can be misleading, although it is helpful in conjunction with the Mean for defining the amount of skewness in a distribution.

With modern calculation devices the simplicity of calculating or observing the Mode is overtaken by the ease of calculating the Mean and Standard Deviation.