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1 April, 11:41

Sheral got theses socres on her spelling test

95,89,99,85,82

what is the mean of absolute devitationof her test scores

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Answers (2)
  1. 1 April, 11:57
    0
    All you do is add up all test scores then divide by number of tests, so you get 450/5, and thats an average of 90%
  2. 1 April, 12:04
    0
    Add them all together and then divide the sum by 5 and you get the answer
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