Question

A Physician is reviewing a research study examining the effect of three oral hygiene regimens (a) chlorhexidine rinse (b) tooth brushing and (c) hydrogen peroxide rinse on the incidence of ventilator associated pneumonia. The nurse chooses an analysis of variance to analyze the data. This is an appropriate test because there are 3

a. these are non parameter variables

b. in this study there are 3 dependent variables

c. analysis of variance is used to determine correlation between the three regimens

d. the statistic compares the means of two or more samples or groups

Answer #1

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