Question 1
In a chi-square test for homogeneity, the variables under consideration are:
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the different populations and a single categorical variable.
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the different populations and two or more categorical variables.
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two or more categorical variables from the same population.
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one categorical variable from a single population.
Question 2
In a chi-square test for independence of two categorical variables, the alternative hypothesis is:
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the variables are dependent.
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the variables are linearly correlated.
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the variables are independent.
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the variables are not correlated.