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bobobox

  • one year ago

Relative tables help!

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  1. bobobox
    • one year ago
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    @jim_thompson5910

  2. bobobox
    • one year ago
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    @jim_thompson5910

  3. jim_thompson5910
    • one year ago
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    sorry I was working on a spreadsheet for this

  4. bobobox
    • one year ago
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    Yeah thats okay as long as I learn and get it right!

  5. jim_thompson5910
    • one year ago
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    ok do you know how to calculate conditional relative frequencies?

  6. bobobox
    • one year ago
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    Nope Thats why I need you

  7. jim_thompson5910
    • one year ago
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    you need to calculate conditional relative frequencies with respect to the columns so what you do is divide everything in column 1 by 280 (since this is the total) divide everything in column 2 by 210 divide everything in column 3 by 100 etc etc

  8. bobobox
    • one year ago
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    okay

  9. bobobox
    • one year ago
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    one second let my make a spreadsheet

  10. jim_thompson5910
    • one year ago
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    sure thing

  11. bobobox
    • one year ago
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    @jim_thompson5910

  12. jim_thompson5910
    • one year ago
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    you should have divided the last row by itself, but that doesn't matter really

  13. jim_thompson5910
    • one year ago
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  14. bobobox
    • one year ago
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    okay

  15. jim_thompson5910
    • one year ago
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    focus on the pop column what is the difference in proportion between male and female?

  16. bobobox
    • one year ago
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    i hear the word difference it make me want to subtract

  17. jim_thompson5910
    • one year ago
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    yep you subtract

  18. bobobox
    • one year ago
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    0.4285146

  19. jim_thompson5910
    • one year ago
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    now do the same for rap

  20. bobobox
    • one year ago
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    okay

  21. bobobox
    • one year ago
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    0.6

  22. jim_thompson5910
    • one year ago
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    which difference is larger

  23. bobobox
    • one year ago
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    rap

  24. jim_thompson5910
    • one year ago
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    so according to this http://mathbitsnotebook.com/Algebra1/StatisticsReg/ST2TwoWayTable.html it says `The bigger the differences in the conditional relative frequencies, the stronger the association between the variables`

  25. bobobox
    • one year ago
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    okay

  26. bobobox
    • one year ago
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    im sorry do you think you oculd simplify that for me?

  27. jim_thompson5910
    • one year ago
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    The larger difference in rap means that more males like rap than females. So this is considered positive association.

  28. jim_thompson5910
    • one year ago
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    If the two conditional relative frequencies were nearly identical, then there would be weak to no association (ie the two would be independent)

  29. jim_thompson5910
    • one year ago
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    this tells us the variables are connected in some way

  30. bobobox
    • one year ago
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    okay so would it be d or are we not close to the answer yet... thats my guess becuase it discusses rap

  31. jim_thompson5910
    • one year ago
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    yeah I'm thinking D as well because of the largest difference

  32. bobobox
    • one year ago
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    we have to be positive with all of the answers

  33. bobobox
    • one year ago
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    i can't have any slip ups

  34. bobobox
    • one year ago
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    are we ready for me to submit the assignment? If I get under 70 I won't be able to take my final exam

  35. jim_thompson5910
    • one year ago
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    I'm pretty sure, but others can chime in too if they want

  36. bobobox
    • one year ago
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    I am going to submit, It will tell me the answers instantly

  37. UsukiDoll
    • one year ago
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    @bobobox do you find out the answer right away or does that take a while?

  38. bobobox
    • one year ago
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    @UsukiDoll The answer was Correct!!!!!!

  39. UsukiDoll
    • one year ago
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    that's good! :D

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