5. What was the attrition number and rate for this study? Provide a rationale for your answer.

6. Calculate the attrition rate for a study that included a sample size of 250 subjects and 10
became too ill to
continue in the study, 5 could not be contacted after hospital discharge,
and 4 died. Round your answer to the nearest tenth of a percent.

7. What was the total sample for this study?

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8. The intervention and control groups had unequal numbers. Is this a study strength or
weakness? Provide a rationale for your answer.
9. Discuss the results of the power analysis conducted for this study. Was the sample size
adequate for this study? Provide a rationale for your answers.
10. Are the findings from this study ready for use in practice? Provide a rationale for your answer.