Question: Problem Set 2.3 : Range, Variance, and Standard Deviation Criterion : Determine the range, variance, and standard deviation of a sample from raw scores. Data

Problem Set 2.3: Range, Variance, and Standard Deviation

  • Criterion: Determine the range, variance, and standard deviation of a sample from raw scores.
  • Data set: A sample of students scored the following:

3, 45, 4, 41, 14, 75, 40, 11, 9, 5, 21, 61, 48, 61, 29, 51, 44, 67, 39, 23, 45, 57, 60, 63, 62.

  • Instructions: For the given data set, answer the following:
  1. What is the range of scores?
  2. What is the variance in scores?
  3. What is the standard deviation in scores?

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