Statistics

Measures of Variation

Preview Question:  How do variance and standard deviation measure data spread?  Why is this important?

Content Objectives:

• Find the range, variance, and standard deviation.
• Compute the coefficient of variation from raw data.  
• Why is the coefficient of variation important?
• Apply Chebyshev’s theorem to raw data.  
• What does a Chebyshev interval tell us?

Sample Questions regarding calculations of variation, standard deviation, and Chebyshev's Theorem.
Powerpoint notes from Lesson 3.2
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