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17 June, 21:16

Here is a list of test scores: 86, 90, 93, 85, 79, 92 Find the mean (average) of the test scores.

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  1. 17 June, 21:26
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    86+90+93+85+79+92=525 divided by 6 is 87.5

    The average is 87.5

    (Add up all of the numbers and divide it by how many numbers there are)
  2. 17 June, 21:29
    0
    Add them all up: 86+90+93+85+79+92=525

    divide by 6 (because they provide 6 percentages) : 525/6

    mean=87.5
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