Section 6 Operation Management Statistics

# Section 6 Operation Management Statistics - Dr Harvey A...

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© 2006 by Harvey A. Singer 1 OM 210:  Statistical Analysis for  Management 1. Continuous Probability Distributions (General) Dr. Harvey A. Singer School of Management George Mason University

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© 2006 by Harvey A. Singer 2 Definition A random variable is a variable whose value is assigned according to the outcome of a random experiment. A random variable is a variable which takes on a value as the consequence of a random result. The name of a random variable is denoted in upper case and the values are represented in lower case. The random variable is denoted by X and its values are denoted by x . Abbreviated to r.v.
© 2006 by Harvey A. Singer 3 Types of Random Variables A random variable is discrete if and only if it can take on no more than a countable number of integer values. Results from a counting process. A random variable is continuous if and only if it can take on any value in a specified interval. Results from a measuring process.

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© 2006 by Harvey A. Singer 4 Continuous Random Variable An experiment whose outcomes can randomly take any real value, determined by measuring, within a specified continuous range. E.g., height, weight, IQ, etc.
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## This note was uploaded on 01/26/2011 for the course OM 210 taught by Professor Singer during the Fall '08 term at George Mason.

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Section 6 Operation Management Statistics - Dr Harvey A...

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