HLT362V Week 3 DQ 1 & Responses Applied Statistics For Health Care Professionals

HLT-362V Week 3 DQ 1 - Explain when a z-test would be appropriate………. Applied Statistics for Health Care Professionals - Hypothesis Testing Grand Canyon University Explain when a z-test would be appropriate over a t-test. Answer 1 Z-test = Statistical test used to determine whether two population means are different when the variances are known and the sample is large. T-test compares the actual difference between two means in relation to the variation in the data Z-test is a statistical test used to determine whether two population’s means are different when the expressed as the standard deviation of the difference between the means. Data types that can be analyzed with Z-tests: Data points should be independent from each