February 2020
Intermediate to advanced
688 pages
18h 35m
English
Content preview from Principles of Managerial Statistics and Data Science
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Appendix AMath Notation and Symbols
In this appendix, basic math concepts and notation are reviewed. Also, some Greek and statistical symbols are defined.
A.1 Summation
Suppose we have a sample of 
observations: 
. Summation is represented by
The summation notation is sometimes simplified to 
or 
.
A.2 pth Power
, means “ to the pth power.” For example, if , then , while .
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