# Question: a What is the phi coefficient and when is it

(a) What is the phi coefficient, and when is it used?

(b) What does the squared phi coefficient indicate?

(c) What is the contingency coefficient, and when is it used?

(d) What does the squared contingency coefficient indicate?

(b) What does the squared phi coefficient indicate?

(c) What is the contingency coefficient, and when is it used?

(d) What does the squared contingency coefficient indicate?

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