statistics

the average marks for statistics in a class of 30 were 52. the top six students had an average of 31 marks. what were the average marks of the other students?.

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  1. It would help if you proofread your questions before you posted them. If the mean for 30 students was 52, how could the top 6 students only average 31?

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  2. The following is a partial relative frequency distribution of consumer preferences for four products—W, X, Y, and Z.
    Product

    Relative
    Frequency


    W

    0.19


    X




    Y

    0.11


    Z

    0.15


    --------------------------------------------------------------------------------

    (a)

    Find the relative frequency for product X. (Round your answer to 2 decimal places.)


    Relative frequency

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  3. .24

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  4. 0.9

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