Lesson 5 of 5
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Statistics IV | Week 6

Performance Objectives

  • Cumulative Frequency
  • Median from ogive
  • Quarters (quartile)
  • Percentiles
  • Variance and Standard Deviation


By the end of this topic, the student should be able to:

  1. Define/Explain the following statistical concepts
  • Measures of dispersion(range, variance, standard deviation)
  • Ogive/cumulative frequency graph
  • Quartile, interquartile, semi-quartile, upper quartile and lower quartile
  • Percentile
  1. Draw cumulative frequency curve of a distribution
  2. Calculate/show on a graph the upper, middle and lower quartiles 
  3. Calculate percentile datum/value using graph or values of quartiles
  4. Solve problems involving a combination of the above concepts
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