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Skoochy Skoochy
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6 years ago
A test score of 46.1 on a test having a mean of 67 and a standard deviation of 11.
 
  A) -1.9; not unusual B) -1.9; unusual C) -20.9; unusual D) 1.9; not unusual
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alarosealarose
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6 years ago
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Skoochy Author
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6 years ago
Brilliant
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Yesterday
Good timing, thanks!
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2 hours ago
Helped a lot
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