STATISTICAL TECHNIQUES AND TOOLS
CHI SQUARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which Test is Appropriate? A stadium manager is interested in whether the fans that buy tickets are demographically the same as the general population of the city. Currently 42% are Caucasian, 35% are Hispanic, 12% are African American, 8% are Asian, and the rest are defined as other.
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Chi-square Goodness of Fit Test
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Chi-Square Test for Homogeneity
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Chi-Square Test for Independence/Association
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Not a Chi-square test
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Explanation:
Detailed explanation-1: -A chi-square test for homogeneity uses expected counts and other statistics based on the chi-square probability distribution to test how likely it is that two samples came from the same population. Such a test can also be used to compare how similar two different distributions are to one another.
Detailed explanation-2: -This test is used to determine if two categorical variables are independent or if they are in fact related to one another. If two categorical variables are independent, then the value of one variable does not change the probability distribution of the other.
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