The health board of a major city wants to know if people who have different type
ID: 3359604 • Letter: T
Question
The health board of a major city wants to know if people who have different types of healthcare coverage (HMO, Medicate/Medicaid, or no insurance) go to different types of hospitals (privately funded, government-funded, or free clinic) when they are sick or injured. Using the data below, conduct a two-way chi-square to test the null hypothesis that type of insurance does not affect which hospital they choose.
Hospital Type
Insurance Type Private Public Free Clinic
HMO 17 6 4
Medicare/Medicaid 24 30 9
No Insurance 8 14 8
Explanation / Answer
The chi-square statistic is 9.9177. The p-value is .041837. The result is significant at p < .05.
The variables are dependent.
Results Private Public Free Clinic Row Totals HMO 17 (11.02) [3.24] 6 (11.25) [2.45] 4 (4.72) [0.11] 27 Medicare/Medicaid 24 (25.72) [0.12] 30 (26.25) [0.54] 9 (11.02) [0.37] 63 No Insurance 8 (12.25) [1.47] 14 (12.50) [0.18] 8 (5.25) [1.44] 30 Column Totals 49 50 21 120 (Grand Total)Related Questions
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