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Chapter 12: Q. 12.65 (page 510)

A chi-square independence test is to be conducted to decide whether an association exists between two variables of a population. One variable has six possible values, and the other variable has four. What is the degrees of freedom for the χ2statistic?

Short Answer

Expert verified

One variable has six possible values, and the other variable has four. The deggres of freedom is15

Step by step solution

01

Step 1. Given Information.

One variable has six possible values, and the other variable has four.

02

Step 2. To find the degrees of freedom.

From the given information,

df=(r-1)(c-1)=(6-1)(4-1)=(5)3=15

So the degree of freedom is15.

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