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13 November, 01:10

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. 13 November, 01:23
    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. 13 November, 04:17
    0
    Add them all together and then divide the sum by 5 and you get the answer
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