2-way Chi-square Ans.

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Answer 1:  Yes, approximately. When N equals 10, however, the observed proportion of statistically significant outcomes might deviate fairly far from .05, reflecting the larger mismatch between the true and tabled chi-square sampling distributions when N is small.

Answer 2:  The proportion of statistically significant outcomes – that is, the power of the test – increases with both larger sample sizes and higher dependency between the two variables.