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Numerical Measures of Central Tendency and Variability

Measures of Variability

Answers

  1. 8 - 2 = 6

  2. The variance would be larger if these numbers represented a sample because you would divide by \mathrm{N-1} (instead of just \mathrm{N}).

  3. 3.2842

  4. 25th% = 10, 75th% = 19, 19 - 10 = 9
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