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anonymous

  • one year ago

Help box plots

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    @IrishBoy123

  3. anonymous
    • one year ago
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    @jtvatsim

  4. jtvatsim
    • one year ago
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    First thing you should do is figure out what the median is of the data you were given. Arrange the data from lowest to highest, and find the middle number. If you already did that, just let me know what you got.

  5. anonymous
    • one year ago
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    26 @jtvatsim

  6. jtvatsim
    • one year ago
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    Alright, that's what I got too. That rules out choice C for sure.

  7. jtvatsim
    • one year ago
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    The data ranges from 20 to 32 so we should make sure the box plot actually matches that description.

  8. jtvatsim
    • one year ago
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    You should see that only one box plot actually does this. :) Can you see it?

  9. jtvatsim
    • one year ago
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    And by "ranges" I mean...

  10. jtvatsim
    • one year ago
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    |dw:1439238074301:dw|

  11. jtvatsim
    • one year ago
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    Those two vertical dashes mark the lowest and highest numbers.

  12. anonymous
    • one year ago
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    Yes is see it

  13. jtvatsim
    • one year ago
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    Alright, so which choice do you think it is based on that?

  14. anonymous
    • one year ago
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    D

  15. jtvatsim
    • one year ago
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    Careful, that one shows a highest number of 35. Is 35 in our data?

  16. anonymous
    • one year ago
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    no

  17. anonymous
    • one year ago
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    It would be C

  18. jtvatsim
    • one year ago
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    Ah... but then the median is wrong. AHHH!!! lol :)

  19. jtvatsim
    • one year ago
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    Alright, big breath.... And let's see... we want a median of 26, a low of 20, and a high of 32. We need three things to work.

  20. anonymous
    • one year ago
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    can you explain why its A so i know

  21. jtvatsim
    • one year ago
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    So, here's what I would have done. I would draw my own picture like this...

  22. jtvatsim
    • one year ago
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    |dw:1439238403341:dw|

  23. jtvatsim
    • one year ago
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    I don't really know anything about the rectangle part, other than that the middle line has to be on 26.

  24. jtvatsim
    • one year ago
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    So, I would go through and find all the pictures that have a low of 20.

  25. jtvatsim
    • one year ago
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    OK, they all do. So that didn't help.

  26. jtvatsim
    • one year ago
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    Next, I would go and find all the pictures that have a middle of 26.

  27. jtvatsim
    • one year ago
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    It looks like A, B, and D.

  28. jtvatsim
    • one year ago
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    Finally, I would find all the pictures with a high of 32.

  29. jtvatsim
    • one year ago
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    Only B has this. The answer must be B.

  30. jtvatsim
    • one year ago
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    Does that help? Any questions on that process? :)

  31. anonymous
    • one year ago
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    It does help a lot

  32. jtvatsim
    • one year ago
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    Awesome!

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