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You are trying to determine if there is a significant difference in the mean age between...

You are trying to determine if there is a significant difference in the mean age between patients who have developed a nosocomial infection while admitted to your adult surgical unit, your adult medical unit and your cardiac ICU. What would be an appropriate test to use?

Chi-square

T-test for independent groups

ANOVA

Repeat measures ANOVA

Math   Statistics-And-Probability   
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T-test for independent groups

                                                                                                                    

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