The following table shows 200 males classified according to social class and headache status: Social Class Headache

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The following table shows 200 males classified according to social class and headache status:

Social Class Headache Group A B C Total No headache 6 30 22 58

(in previous year)

Simple headache 11 35 17 63 Unilateral headache 4 19 14 37

(nonmigraine)

Migraine 5 25 12 42 Total 26 109 65 200 Do these data provide sufficient evidence to indicate that headache status and social class are related? Let What is the p value for this test?

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