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Activity Number:
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192
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Type:
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Contributed
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Date/Time:
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Monday, August 1, 2016 : 10:30 AM to 12:20 PM
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Sponsor:
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Quality and Productivity Section
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Abstract #318642
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Title:
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An Insightful Alternative Calculation of the Pearson Chi-Squared Statistic
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Author(s):
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Duane K. Allen*
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Companies:
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Duane K. Allen
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Keywords:
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goodness-of-fit ;
test for indpendence ;
contingency table
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Abstract:
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Pearson's classical formula for the chi-squared test statistic is applicable to the observed (o) and expected (e) frequencies of categorical data. This poster presentation develops a general Pearson's chi-squared test statistic formula by introducing a parameter q. Proper selection of q can improve the contrast of the values of the formula's summation terms, which leads to improved visual exploration of the categorical data.
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Authors who are presenting talks have a * after their name.
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