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Chi-square test for independence of attributes.

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.

 

Age (yeas)

 

 

 

 

Type of irritation

18 - 28

30 - 44

45 - 84

65 and older

Eye

440

567

3490

59

Nose

924

1311

794

102

Throat

253

311

157

19

Is there sufficient evidence to reject the hypotheses that the type of ear, nose or throat irritation is independent of age group at a level of significance equal to 0.05?

a. resolve using the p value approach.

b. resolve using the classical approach.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919885

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