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Published byClaribel Elisabeth Johnson Modified over 9 years ago
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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
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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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