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anonymous

  • one year ago

HELLO LOOKING FOR HELP CAN SOMEONE BE KIND AND HELP ME The table below shows the number of hours some business people in two states spend in meetings each week State A 21 23 24 22 24 25 23 23 22 State B 24 22 20 23 23 50 20 46 21 Create a five-number summary and calculate the interquartile range for the two sets of data.

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  1. jim_thompson5910
    • one year ago
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    when you list these numbers 21 23 24 22 24 25 23 23 22 from smallest to biggest, what do you get?

  2. anonymous
    • one year ago
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    21 22 22 23 23 2324 24 25

  3. jim_thompson5910
    • one year ago
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    what is the middle most number of this list 21, 22, 22, 23, 23, 23, 24, 24, 25

  4. anonymous
    • one year ago
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    23

  5. jim_thompson5910
    • one year ago
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    yes

  6. jim_thompson5910
    • one year ago
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    that is the median

  7. jim_thompson5910
    • one year ago
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    |dw:1435887271784:dw|

  8. jim_thompson5910
    • one year ago
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    focus on the smaller half of the data |dw:1435887285192:dw|

  9. jim_thompson5910
    • one year ago
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    what is the median of 21,22,22,23 ?

  10. anonymous
    • one year ago
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    22

  11. jim_thompson5910
    • one year ago
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    that is the value of Q1

  12. jim_thompson5910
    • one year ago
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    |dw:1435887536770:dw|

  13. anonymous
    • one year ago
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    24

  14. jim_thompson5910
    • one year ago
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    that's Q3

  15. jim_thompson5910
    • one year ago
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    and finally, the min and max are just as you expect: the smallest and largest values |dw:1435887601476:dw|

  16. jim_thompson5910
    • one year ago
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    five number summary: min = 21 Q1 = 22 median = 23 Q3 = 24 max = 25

  17. anonymous
    • one year ago
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    that's for the first one or that's all I need

  18. jim_thompson5910
    • one year ago
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    one more thing you need the IQR

  19. jim_thompson5910
    • one year ago
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    IQR = Q3 - Q1

  20. jim_thompson5910
    • one year ago
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    IQR stands for interquartile range

  21. anonymous
    • one year ago
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    =2

  22. jim_thompson5910
    • one year ago
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    yes

  23. anonymous
    • one year ago
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    so what would I write for my answer

  24. jim_thompson5910
    • one year ago
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    I wrote the answer above more or less. Re-read what I posted

  25. anonymous
    • one year ago
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    it says for both sets can u help me with the second one

  26. jim_thompson5910
    • one year ago
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    you follow the same steps. Give it a shot and tell me what you get

  27. anonymous
    • one year ago
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    min = 20 Q1 = median = 23 Q3 = max = 50

  28. jim_thompson5910
    • one year ago
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    so far so good

  29. jim_thompson5910
    • one year ago
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    look at the list of values smaller than the median find the median of this list to get Q1

  30. anonymous
    • one year ago
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    idk can you help

  31. jim_thompson5910
    • one year ago
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    did you sort the values?

  32. anonymous
    • one year ago
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    yes

  33. jim_thompson5910
    • one year ago
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    which values are less than the median?

  34. anonymous
    • one year ago
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    20 21 22

  35. jim_thompson5910
    • one year ago
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    so you look at the lower half 20,20,21,22 find the median of this lower half

  36. jim_thompson5910
    • one year ago
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    just like we did in the last problem

  37. anonymous
    • one year ago
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    20 21

  38. jim_thompson5910
    • one year ago
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    add them up and divide by 2

  39. anonymous
    • one year ago
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    20.5

  40. jim_thompson5910
    • one year ago
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    that's Q1

  41. jim_thompson5910
    • one year ago
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    do you know how to find Q3 ?

  42. anonymous
    • one year ago
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    no

  43. jim_thompson5910
    • one year ago
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    find the median of the upper half of the data

  44. anonymous
    • one year ago
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    I need help

  45. jim_thompson5910
    • one year ago
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    find the median of all the numbers to the right of the median (look at the sorted data)

  46. jim_thompson5910
    • one year ago
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    sort the data look at all of the values to the right of the median find the median of this smaller data set to get Q3

  47. anonymous
    • one year ago
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    24 46

  48. jim_thompson5910
    • one year ago
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    add those two values up and divide by 2

  49. anonymous
    • one year ago
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    35

  50. jim_thompson5910
    • one year ago
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    that is Q3

  51. jim_thompson5910
    • one year ago
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    now just compute the IQR

  52. anonymous
    • one year ago
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    -14.5

  53. jim_thompson5910
    • one year ago
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    IQR = Q3 - Q1

  54. jim_thompson5910
    • one year ago
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    Q1 = 20.5 Q3 = 35 IQR = Q3 - Q1 = ??

  55. anonymous
    • one year ago
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    -14.5

  56. jim_thompson5910
    • one year ago
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    no you subtracted in the wrong order

  57. jim_thompson5910
    • one year ago
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    you should do 35 - 20.5

  58. anonymous
    • one year ago
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    14.5

  59. jim_thompson5910
    • one year ago
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    good

  60. anonymous
    • one year ago
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    ok when u write everything out

  61. anonymous
    • one year ago
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    Are the box plots symmetric

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