A measure of association whose value may vary depending on which variable is con

Question

A measure of association whose value may vary depending on which variable is considered the independent variable and which the dependent variable is called a(n) the concept of _____ states two variables are associated when information about one can help us improve our prediction of the other summarizes the difference between f_0 and f_e in a bivariate table the row and column totals are called A. cross tabulation B. proportional reduction of error C. symmetrical measure D. asymmetrical measure E. obtained chi-square statistic F. marginals G. measure of association H. cells

Explanation / Answer

1) As an asymmetrical measure of association, lambda’s value may vary depending on which variable is considered the dependent variable and which variables is considered the independent variable = asymmetrical measure

2) A single summarizing number that reflects the strength of a relationship, indicates the usefulness of predicting the dependent variable from the independent variable, and often shows the direction of the relationship:

The concept of..... = Measeures of association

3) summarizes the difference between f0 and fe = obtained chi - square statistic

4) the row and column totals in a bivariate table = Marginals

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