Research Methods in Health and Human Performance

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Research Methods in Health and Human Performance Case Study

Week 3 study guide assignment

  1. Explain descriptive statistics
  2. What is central tendency?
  3. What is the extent to which values are spread out in a data distribution?
  4. Explain the difference between mode, median, mean, and range
  5. Explain what is meant by proving the null hypothesis
  6. What is a statement indicating an expected direction of a relationship or a difference for the purposes of statistical testing?
  7. What is the ‘alpha level’ in terms of margin of error?
  8. What is the difference between a type i and type ii error
  9. What is meant by the “power” of the probability accepting the null hypotheses
  10. What is the best choice for sampling when choosing participants for a study

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