How many columns does the table associated with a contingency table test with 4 rows and 30 degrees of freedom have?
A) 7 columns
B) 9 columns
C) 11 columns
D) 13 columns

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The Answer of How many columns does the table associated with a contingency table test with 4 rows and 30 degrees of freedom have?
A) 7 columns
B) 9 columns
C) 11 columns
D) 13 columns

How Many Columns Does the Table Associated with a Contingency