M119L06-page3 - real number line We want to measure the...

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(Lesson 6: Measures of Spread or Variation; 3-3) 3.17 PART C: POPULATION DATA What are the population variance, σ 2 , and the population standard deviation, , of a population data set? Idea Focus on the mean as a reference point; envision planting a flag there on the
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Unformatted text preview: real number line. We want to measure the spread of the data values around the mean. Let’s compare another pair of data sets using the same scale:...
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