Statistics

A test for independence is applied to a contingency table with 3 rows and 5 columns for two nominal variables. The degrees of freedom for this test will be:

A) 20
B) 12
C) 8
D) 15

asked by Stuart
  1. Degrees of freedom = (r - 1)(c - 1) ...where r = number of rows and c = number of columns.

    I'll let you take it from there.

    posted by MathGuru
  2. Thank you MathGuru

    posted by Stuart

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