The article Birth Order and Political Success (Psych.
Chapter 14, Problem 14.37(choose chapter or problem)
The article Birth Order and Political Success (Psych. Reports, 1971: 12391242) reports that among 31 randomly selected candidates for political office who came from families with four children, 12 were firstborn, 11 were middleborn, and 8 were lastborn. Use this data to test the null hypothesis that a political candidate from such a family is equally likely to be in any one of the four ordinal positions.
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