Tutorvo

Curving scores: bonus, scaling & z-scores

Lesson 5 of 814 minLab

This lesson is part of the course

In this lesson

Test 3 was too hard. You compare three ways to curve it: a flat bonus with a cap, scaling to the top score, and a z-score curve to a target mean and spread.

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Lessons in this course

  1. A weighted gradebook with SUMPRODUCTLab12 min Locked
  2. Dropping the lowest scoreLab12 min Locked
  3. Letter grades with an approximate-match lookupLab13 min Locked
  4. Class statistics: mean, median, spread & pass rateLab12 min Locked
  5. Curving scores: bonus, scaling & z-scoresLab14 min Locked
  6. Attendance tracking & at-risk flagsLab13 min Locked
  7. Progress over terms: growth & rankingsLab12 min Locked
  8. Item analysis: difficulty & discriminationLab15 min Locked