Algun Dia

Statistics Toolbox
For Use with MATLAB

®

Computation
Visualization
Programming

User’s Guide
Version 2.1

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Sales, pricing, and general informationStatistic Toolbox User’s Guide
© COPYRIGHT 1993 - 1998 by The MathWorks, Inc. All Rights Reserved.
The software described in this document is furnished under a license agreement. The software may be used
or copied only under the terms of the license agreement. No part of this manual may be photocopied or reproduced in any form without prior written consent from The MathWorks, Inc.
U.S.GOVERNMENT: If Licensee is acquiring the Programs on behalf of any unit or agency of the U.S.
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Printing History: September 1993
March 1996
January1997
May 1997
January 1998

First printing
Version 1
Second printing Version 2
Third printing For MATLAB 5
Revised for MATLAB 5.1 (online version)
Revised for MATLAB 5.2 (online version)

Contents
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
What is the Statistics Toolbox? . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Howto Use This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Mathematical Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
Typographical Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

1

Tutorial
Probability Distributions . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parameter Estimation . . . . .. . . . . . . . . . . . . . . . . . . . . . . . .
Descriptive Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Linear Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Nonlinear Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hypothesis Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Multivariate Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Statistical Plots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Statistical Process Control (SPC) . . . . . . . . . . . . . . . . . . . . . .
Design of Experiments (DOE) . . . . . . . . . . . . . . . . . . . . . . . .

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Probability...