Degrees of Freedom & two-way chi-sguare test
Message posted by Carey (via 152.163.207.51) on July 11, 2001 at 9:50 AM (ET)

Please help with following multiple choice question.

A Researcher ased a sample of 200 business travelers whether they have used electronic ticketing for their most recent business trip. The sample was composed of 38 financial professionals, 26 health professionals, 34 lawyers, and 39 sales professionals. What is the degrees of freedom for a two way chi-square test?

a) 200
b) 4
c) 5
d) 3

READERS RESPOND:
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Re: Degrees of Freedom & two-way chi-sguare test
Message posted by JG (via 128.8.22.96) on July 11, 2001 at 5:54 PM (ET)

Re: Degrees of Freedom & two-way chi-sguare test
Message posted by Phil (via 165.247.230.207) on July 13, 2001 at 1:51 PM (ET)

You would have a 2x4 table, so degrees of freedom would be (4-1)x(2-1)=3x1=3