Chi Square Table Degrees of Freedom

Problem

The degrees of freedom for a contingency table chi-square test of independence is (rows - 1)(columns - 1).

Given the number of rows and columns, return the degrees of freedom.

Hint

One degree is lost for each margin.

case 1

in: [2,2]

expected: 1

case 2

in: [3,4]

expected: 6

case 3

in: [5,2]

expected: 4

Starter codePython

def chi_square_table_degrees_of_freedom(rows, cols):
    # Your code here
    pass

3 test cases · run your code against them in the editor