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bethjewell1996 Group Title

13. Find the values of the 30th and 90th percentiles of the data. 18, 9, 7, 5, 11, 7, 17, 20, 19, 2, 17, 12, 5, 1, 13, 12, 11, 15, 16, 20 (1 point) • 30th percentile = 7 90th percentile = 19 • 30th percentile = 9 90th percentile = 19 • 30th percentile = 11 90th percentile = 19 • 30th percentile = 7 90th percentile = 20

  • one year ago
  • one year ago

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  1. bethjewell1996 Group Title
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    can anyone help?!?!?1

    • one year ago
  2. bethjewell1996 Group Title
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    @AravindG

    • one year ago
  3. AravindG Group Title
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    Do you knw what percentile is ?

    • one year ago
  4. bethjewell1996 Group Title
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    yeah the %

    • one year ago
  5. bethjewell1996 Group Title
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    Each of the 100 equal groups into which a population can be divided according to the distribution of values of a particular variable.

    • one year ago
  6. AravindG Group Title
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    No I thin % and percentile are different terms

    • one year ago
  7. AravindG Group Title
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    *think

    • one year ago
  8. AravindG Group Title
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    To find percentile you need to first arrange the given data in ascending order

    • one year ago
  9. bethjewell1996 Group Title
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    Okay and from there

    • one year ago
  10. AravindG Group Title
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    Whats the n value you get ?

    • one year ago
  11. bethjewell1996 Group Title
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    1 2 5 7 9 11 12 13 15 16 17 18 20

    • one year ago
  12. AravindG Group Title
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    if you have a data set with n samples this is how you find the pth percentile. order the data set in ascending order use this equation to find the index of the percentile p/100 * (n + 1) if the soluition is an integer, say 32, then the pth percentile value is the 32nd data point from the sample in ascending order. if the solution is not an integer then you find the average value be the two surrounding points. for example, say the solution is 23.7 for the index of the pth percentile. the value reported is the average of the 23rd and 24th data point. This can be either the simple average or a weighted average. ^^I got that from yahoo answers .Its explained nicely

    • one year ago
  13. bethjewell1996 Group Title
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    Okay so if i did this right I got 7 and 20

    • one year ago
  14. AravindG Group Title
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    Wait a minute please

    • one year ago
  15. AravindG Group Title
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    Ya I got the same Answer :) ..Hope you got the logic

    • one year ago
  16. bethjewell1996 Group Title
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    yay and if i didnt get it i would not have gotten the right answer yay do u think you could help with anymore.

    • one year ago
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