The following table is from the publication of Vital and Health Statistics from

Question

The following table is from the publication of Vital and Health Statistics from the Centers for Disease Control and Prevention/National Center for Health Statistics. The individuals in the following table have an eye irritation, a nose irritation, or a throat irritation. They have only one of the three. Is there sufficient evidence to reject the hypothesis that the type of ear, nose, or throat irritation is independent of the age group at a level of significance equal to .05?

Age (years) Type of Irritation 18-29 30-44 45-64 65 and Older Eye 439 555 364   53 Nose 900 1305 791 94 Throat 245 326 160 15

Explanation / Answer

(A) Test statistic value = 15.5

(B) P Value = 0.017

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