Weekly wages 40-43 43-46 46-49 49-52 52-55 workers 31 5

    0

    Weekly wages
    40-43
    43-46
    46-49
    49-52
    52-55
    workers
    31
    58
    60
    ?
    27
    Mean average is 47.2 and you need to find out the missing value
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