Q.55 - The Practice of Statistics for AP

Question

The degrees of freedom for the chi-square test for this two-way table are (a) $4$.

(b) $8$.

(c) $10$.

(d) $20$.

(e) None of these.  

Step-by-Step Solution

Answer

The degree of freedom is $4$. Therefore, the correct option is (a).

Step 1: Given Information

The table is

Step 2: Explanation

The degree of freedom is computed as:

Degree of freedom $=$ Number of categories $-1$

$=5-1$

$=4$