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rebecca1233

  • 2 years ago

Where is the median in this stem-and-leaf plot?

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  1. rebecca1233
    • 2 years ago
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  2. rebecca1233
    • 2 years ago
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    61 65 70 73

  3. goformit100
    • 2 years ago
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    Madam Do you know the formula of median ?

  4. rebecca1233
    • 2 years ago
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    do i put the stem in order too? or just the leaf part>

  5. goformit100
    • 2 years ago
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    Madam it's correct.

  6. rebecca1233
    • 2 years ago
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    which part.. do i put the stem in order too? or just the leaf part? then what do i do cause even if i put that in order i wont get a big number like that for the answer

  7. goformit100
    • 2 years ago
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    Yes Its correct @ParthKohli

  8. rebecca1233
    • 2 years ago
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    there is 18 numbers if i put stem and leaf plot in order together

  9. rebecca1233
    • 2 years ago
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    it goes 0,1,1,2,3,3,3,4,4,5,5,5,6,7,7,8,8,9

  10. rebecca1233
    • 2 years ago
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    u arent telling me which part is correct? wat do i do after i get that ?

  11. rebecca1233
    • 2 years ago
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    how did u get that? cause i put em in order and crossed them out and 5 was in the middle

  12. rebecca1233
    • 2 years ago
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    @goformit100 you need to explain not just give me the answer... wt do u not understand about that

  13. rebecca1233
    • 2 years ago
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    @jhonyy9

  14. rebecca1233
    • 2 years ago
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    @ZeHanz

  15. goformit100
    • 2 years ago
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    Now after getting the middle term The find the median.

  16. goformit100
    • 2 years ago
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    *then

  17. rebecca1233
    • 2 years ago
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    I got 5 for the middle term am i correct bout that

  18. goformit100
    • 2 years ago
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    Yes Its correct now

  19. rebecca1233
    • 2 years ago
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    that is the median

  20. rebecca1233
    • 2 years ago
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    but 5 is not the answer? so wat do i do with the 5 ?

  21. goformit100
    • 2 years ago
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    @Koikkara HELP HELP.... I have gonna Stuck :'(

  22. rebecca1233
    • 2 years ago
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    I thought you knew :/ @Koikkara hlp please

  23. goformit100
    • 2 years ago
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    @Koikkara

  24. rebecca1233
    • 2 years ago
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    @amistre64

  25. rebecca1233
    • 2 years ago
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    help someone!! Explain!!

  26. Koikkara
    • 2 years ago
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    well, first i'll tag some genius, n then give a try...... @AravindG @TuringTest @amistre64 @Ashleyisakitty @churrity

  27. rebecca1233
    • 2 years ago
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    You going to help me ?

  28. amistre64
    • 2 years ago
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    now that i got all the way down to the end, i forgot the question ....

  29. Koikkara
    • 2 years ago
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    http://www.xtremepapers.com/revision/gcse/statistics/stem_and_leaf_plots.php may help with the stuck......n So sorry me a bit weak in maths....ask bio....@!!

  30. amistre64
    • 2 years ago
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    how many leafs are there? entotal?

  31. rebecca1233
    • 2 years ago
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    13?

  32. amistre64
    • 2 years ago
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    correct, 13/2 will get us near what we want then what is 13/2?

  33. Ashleyisakitty
    • 2 years ago
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    To find the median of a steam and leave diagram is to cross out each number going in a diagonal form. Thats a bit confusing to understand so im going to include a drawing of what I mean. |dw:1363112492216:dw|

  34. amistre64
    • 2 years ago
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    13/2 = 6.5 since it has a decimal on it .... we round up to 7 the median is the 7th leaf

  35. rebecca1233
    • 2 years ago
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    73?

  36. rebecca1233
    • 2 years ago
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    why do u cross only those out for ?

  37. amistre64
    • 2 years ago
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    4 | 2 4 ... 2 leaf 5 | 1 3 ... 4 leaf 6 | 1 5 ... 6 leaf 7 | 0 3 8 ^^ 7th leaf lets go with 70 as the median

  38. amistre64
    • 2 years ago
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    if we had just written these out, itd be the 7th number 1 2 3 4 5 6 7 42 44 51 53 61 65 70

  39. rebecca1233
    • 2 years ago
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    but dont u cross the top 2 and top bottom so it would be the 6 row

  40. rebecca1233
    • 2 years ago
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    in ur example where u crossed things out im lookin at the stem side u cross 2 and cross 2 at bottom so its in row 6

  41. rebecca1233
    • 2 years ago
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    thats where im confused

  42. rebecca1233
    • 2 years ago
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    @amistre64

  43. amistre64
    • 2 years ago
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    i dont go with the crossing things out method ... i simply count

  44. rebecca1233
    • 2 years ago
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    u count what?

  45. rebecca1233
    • 2 years ago
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    there is 13 on the leaf side

  46. amistre64
    • 2 years ago
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    1 3 are 2 different leafs. stem | leafs S | L1 L2 L3 L4 ... a leaf is usually a unit value. a stem is usually a base 10 value

  47. amistre64
    • 2 years ago
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    42 43 45 46 would stem and leaf as: 4 | 2 3 5 6 its just a way of representing the data points

  48. rebecca1233
    • 2 years ago
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    alright

  49. rebecca1233
    • 2 years ago
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    so u just cross em out but 7 is still at the bottom..idk im confused lol

  50. amistre64
    • 2 years ago
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    lets list your numbers instead of leafing them ok? \[42~ 44~ 51~ 53~ 61~ 65~ 70~73~78~83~85~87~89\] one way to find the median is to find the number in the center .. we can do that by crossing off positions in a symmetric manner \[\cancel{42}~ 44~ 51~ 53~ 61~ 65~ 70~73~78~83~85~87~\cancel{89}\] \[\cancel{42}~ \cancel{44}~ 51~ 53~ 61~ 65~ 70~73~78~83~85~\cancel{87}~\cancel{89}\] \[\cancel{42}~ \cancel{44}~ \cancel{51}~ 53~ 61~ 65~ 70~73~78~83~\cancel{85}~\cancel{87}~\cancel{89}\] \[\cancel{42}~ \cancel{44}~ \cancel{51}~ \cancel{53~ 61~ 65}~ 70~\cancel{73~78~83}~\cancel{85}~\cancel{87}~\cancel{89}\]

  51. amistre64
    • 2 years ago
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    if you follow this on the stem leaf .... you get Ashleys suggestions

  52. rebecca1233
    • 2 years ago
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    oh i i see u made them numbers not separte numbers

  53. rebecca1233
    • 2 years ago
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    like not just 4 , 2 , and so on u made it 42 and etc

  54. rebecca1233
    • 2 years ago
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    thats where u get 70

  55. rebecca1233
    • 2 years ago
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    thats where i did it wrong lol

  56. amistre64
    • 2 years ago
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    take the stem, and attach it to each leaf 7 | 0 3 8 represents: 70 73 78

  57. rebecca1233
    • 2 years ago
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    yeah i wasnt doing that lol i feel dumb haha

  58. amistre64
    • 2 years ago
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    :) youll do fine after this

  59. rebecca1233
    • 2 years ago
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    lol yeah that i understand now haha .. thank you :) thank you for working with me haha ..

  60. amistre64
    • 2 years ago
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    youre welcome, i do have to be going for today so i wish you the best of luck

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