Measures of Spread: Standard Deviation

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Concept #1: Determining The Standard Deviation

Concept #2: Determining The Standard Deviation: Intro

Practice: Determine the standard deviation for the following data set: 81 8 4 2 3 1 2 9 9 2.

Practice: Determine the standard deviation for the following data set: 7 56 46 32 69 34 53 76.

Practice: Which of the data sets (Practice 1 or Practice 2) is more spread out?

Practice: Which of the data sets (Practice 1 or Practice 2) is more appropriately described by the standard deviation?