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  • Apr 29, 2009, 04:28 PM
    soner
    mean,median and mode of frequency distribution
    Steve is a film buff and likes movies of all kinds.he watches movies on a
    regular basis. Here is a record of the number of films he watched per week
    over the last year?

    number of films frequency
    [0,3[ 21
    [3,6[ 17
    [6,9[ 7
    [9,12[ 3
    [12,15[ 2
    [15,18[ 2
    total= 52

    find the mean median and mode of this distribution

    a)mean=4.84 median=3.88 mode=3
    b)mean=4.85 median=3.97 mode=1.5
    c)mean=252 median=6 mode=21
    d)mean=4.85 median=3.88 mode=21
    e)mean=252 median=3.97 mode1.5

    thanks.
  • May 5, 2009, 08:29 PM
    Perito

    The mean is found by adding up the number each film times its frequency and dividing that total by the total frequency (52).

    The median is found by lining up the (film times frequency) and locating the middle.

    The mode is the most commonly watched film.

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