Chapter 7, Section 2, Exercise 035 Give the degrees of freedom for the chi-square test based on the two-way table.
Chapter 7, Section 2, Exercise 035
Give the degrees of freedom for the chi-square test based on the two-way table.
Yes No Total
Group 1 54 44 100
Group 2 132 68 200
Group 3 72 28 100
Total 260 140 400
Degrees of freedom=