HLTH 50 (HLTH501)

Liberty University

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HLTH 50 Liberty University PRACTICE PROBLEMS INCLUDING ANSWERS CHAPTER 8-WEEK 4 100% SOLVED
  • HLTH 50 Liberty University PRACTICE PROBLEMS INCLUDING ANSWERS CHAPTER 8-WEEK 4 100% SOLVED

  • Exam (elaborations) • 5 pages • 2020
  • 1. Suppose we want to design a new placebo-controlled trial to evaluate an experimental medication to increase lung capacity. The primary outcome is peak expiratory flow rate, a continuous variable measured in liters per minute. The primary outcome will be measured after 6 months on treatment. The expected peak expiratory flow rate in adults is 300 with a standard deviation of 50. How many subjects should be enrolled to ensure 80% power to detect a difference of 15 liters per minute with a two s...
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