July 2015
Intermediate to advanced
352 pages
9h 40m
English
One principle of statistics is that within a range of values, notably unusual instances should be removed. These spikes distort the average, whether simple or exponential. For example, in a series of stock ending prices within a trend, if the normal breadth of trading is between $25 and $30 per share, a one-time spike to $50 should not be considered typical.
To consider something a spike, it should be extraordinarily unusual and it must not repeat. It is an aberration in every sense, and in order to maintain accuracy of a statistical analysis, it should not be considered.
However, a spike in a stock trend also presents potential problems that should not be ignored. For example, is the spike truly an aberration, ...