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shongedz-matang shongedz-matang
wrote...
6 years ago
In the standard normal distribution of scores, the percentage of scores between +1 and -1 standard
  deviations is _______.
 
  a. 95
  b. 50
  c. 68
  d. 99.7
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msterwangmsterwang
wrote...
Posts: 227
Rep: 1 0
6 years ago
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