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27 June, 01:56

The mean score of three students is 9. If the modal score is 11, find the lowest mark.

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  1. 27 June, 02:03
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    The lowest mark should be 5.

    Step-by-step explanation:

    If the modal score is 11 and there are three marks we're comparing, that means 11 must appear twice as a score. To get a mean/average of 9 from three scores, all the scores must add up to 27. 11+11=22, so the final mark should be 5.

    11+11+5=27

    27/3=9
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