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A nurse works on a unit that has admitted its first client with acquired immune deficiency syndrome.The nurse overhears other staff members talking about the "AIDS guy" and wondering how the client contracted the disease.What action by the nurse is best?
Dependent Means
A statistical method that compares the means of two related groups to determine if there is a significant difference between them.
T Test
A statistical analysis method that compares the average values of two groups to ascertain if their differences are statistically significant.
Groups
Collections of subjects or items that are studied in an experiment, often differentiated by characteristics or treatment conditions.
Pooled Variance
A weighted average of variances from multiple samples, often used in statistical procedures to estimate a common variance.
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