Question: A contingency table test with 4 rows and 30 degrees of freedom implies that the table must have: a.9 columns b.15 columns c.13 columns d.11

A contingency table test with 4 rows and 30 degrees of freedom implies that the table must have:

a.9 columns

b.15 columns

c.13 columns

d.11 columns

e.7 columns

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