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Find the five-number summary of the following set of numbers.

335, 233, 185, 392, 235, 518, 281, 208, 318

  • math - ,

    First, arrange the set of numbers in order, with the lowest first.

    185, 208, 233, 235, 281, 318, 335, 392, 518

    Then, follow the instructions in this website.

    http://illuminations.nctm.org/Lessons/States/FiveNumSum.htm

    We'll be glad to check your answers.

  • math - ,

    Here is a definition of Five-number summary:

    (1) the minimum (smallest observation)
    (2) the lower quartile or first quartile (which cuts off the lowest 25% of the data)
    (3) the median (middle value)
    the upper quartile or third quartile (4) (which cuts off the highest 25% of the data)
    (5) the maximum (largest observation)

    In your case the median is 281 , the minimum is 185 and the maximum is 518. For the two quartiles, take the third and seventh largest numbers of the group.

  • math - ,

    293.55

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