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How do you calculate mean, median, mode, and standard deviation? What are percentile ranks, standard deviations, z scores, T scores, and Stanine scores? How can

  1. How do you calculate mean, median, mode, and standard deviation?
  2. What are percentile ranks, standard deviations, z scores, T scores, and Stanine scores?
  3. How can you improve reliability and validity in testing?
  4. What do results of achievement, aptitude, and diagnostic tests tell teachers?
  5. How would you prepare students (and yourself) for taking standardized tests?
  6. What are the strengths and weaknesses of alternative forms of assessment such as portfolios?

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