chapter 3 statistical models or quality control improvement
DESCRIPTION
Also called a run chart Marginal plot produced by MINITAB Plot of Data in Time OrderTRANSCRIPT
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Chapter 3
Statistical Models or Quality Control Improvement
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•Easy to find percentiles of the data; see page 43
Stem-and-Leaf Display
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•Also called a run chart
Marginal plot produced by MINITAB
Plot of Data in Time Order
![Page 4: Chapter 3 Statistical Models or Quality Control Improvement](https://reader033.vdocuments.site/reader033/viewer/2022051302/5a4d1b4b7f8b9ab0599a55f3/html5/thumbnails/4.jpg)
•Group values of the variable into bins, then count the number of observations that fall into each bin
•Plot frequency (or relative frequency) versus the values of the variable
Histograms – Useful for large data sets
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Histogram for discrete
data
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Numerical Summary of Data
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The Box Plot(or Box-and-Whisker Plot)
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Comparative Box Plots
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The Hypergeometric Distribution
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Basis is in Bernoulli trials
The random variable x is the number of successes out of n Bernoulli trials with constant probability of success p on each trial
The Binomial Distribution
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Frequently used as a model for count data
The Poisson Distribution
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The Normal Distribution
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Original normal distribution
Standard normal distribution
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