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Terms in this set (6)
one way frequency table
a compact way of summarizing data on a categorical variable; it gives the number of times each of the possible categories in the data set occurs
goodness of fit statistic
a statistic used to provide a comparison between observed counts and those expected when a given hypothesis is true. When none of the expected counts are too small, x^2 has approximately a chi square distribution
x^2 goodness of fit test
a hypothesis test performed to determine whether whether the true category proportions are different from those specified by the given null hypothesis
two way frequency table
a rectangular table used to summarize a bivariate categorical data set;two way tables are used to compare several populations on the basis of a categorical variable or to identify whether an association exists between two categorical variables
x^2 test for homogeneity
the hypothesis test performed to determine whether the true category proportions are the same for two or more populations or treatments
x^2 test for independence
the hypothesis test performed to determine whether an association exists between two categorical variables
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