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Storm Storm
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6 years ago
The empirical rule states that, for data having a bell-shaped distribution, the portion of data values being within one standard deviation of the mean is approximately _____.
 a. 33
  b. 50
  c. 68
  d. 95
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ccoppccopp
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6 years ago
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Storm Author
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6 years ago
Good timing, thanks!
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2 hours ago
this is exactly what I needed
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