Question

Resistance training is a popular form of conditioning aimed at enhancing sport performance and is widely used among high school, college, and professional athletes. A random sample of 285 patients of three age groups admitted to the emergency rooms with the injury code "weightlifting" was obtained. These injuries were classified as accidental if caused by dropped weight or improper equipment use. Is age and sport injury related? (PLEASE WRITE CLEARLY AND AS SIMPLE AS POSSIBLE)

Chi - Square X² Test for independence (two-way test) or  Chi - Square X ² Goodness of Fit (Expected vs, Observed) or is there another way that I am missing??

Age Group - Accidental - Not Accidental - Total

Adolescents: 35 - 15 - 50

Young Adults: 60 - 95 - 155

Older Adults: 20 - 60 - 80

Totals: 115 - 170 - 285

A: Set up the Hypothesis testing Ho and H1 for chi square

B. Use Chi Square formula and Procedure to solve the problem

C. Discuss the results. What do the results tell us? is there a significant relationship between age and injury?

Answer 1

This is chi-square test of independence

a)

Ho : Age and Sport Injury are independent

Ha : Age and Sport Injury are dependent

b)

c)

There is a significant relationship between age and injury