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The Healthcare Sterile Processing Association (HSPA), formerly International Association of Health Central Service Material Management (IAHSCMM), [3] is a professional association which represents healthcare Central Service (CS) professionals, and is based in Chicago, Illinois with over 48,000 [4] members worldwide.
A chi-squared test (also chi-square or χ 2 test) is a statistical hypothesis test used in the analysis of contingency tables when the sample sizes are large. In simpler terms, this test is primarily used to examine whether two categorical variables ( two dimensions of the contingency table ) are independent in influencing the test statistic ...