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anonymous

  • 5 years ago

tell wheter the variable is discreteor continous X represents the length of time it takes to get to work

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  1. anonymous
    • 5 years ago
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    to determine this, think about the type of measurement used: time in this case

  2. anonymous
    • 5 years ago
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    you can break your commute to work down to even the smallest measurement of time: so we can start with hours:minutes:seconds:milliseconds...

  3. anonymous
    • 5 years ago
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    eh??

  4. anonymous
    • 5 years ago
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    well, first what do you think it is?

  5. anonymous
    • 5 years ago
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    idk

  6. anonymous
    • 5 years ago
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    a discrete variable is one that finite. meaning that you only have a certain number of possible values. while a continuous variable is essentially finite.

  7. anonymous
    • 5 years ago
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    *infinite, sorry

  8. anonymous
    • 5 years ago
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    k. so im still confused!

  9. anonymous
    • 5 years ago
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    all right. let's consider finite first.

  10. anonymous
    • 5 years ago
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    if you have a survey, and there is question that asks you to rate how much you enjoyed the new Fast and Furious movie, on a scale from 1 to 5. with 1 being you hated it, and 5 being you loved it

  11. anonymous
    • 5 years ago
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    the choices: 1, 2, 3, 4, 5. represent discrete values

  12. anonymous
    • 5 years ago
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    you can't say you liked the movie 4.3423

  13. anonymous
    • 5 years ago
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    ohk so its discrete?

  14. anonymous
    • 5 years ago
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    the survey example is discrete

  15. anonymous
    • 5 years ago
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    ohk what about the origonal question

  16. anonymous
    • 5 years ago
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    so now. if you could be more specific. and you could choose any value from 1 to 5, then the choice of 4.3423 would be allowed

  17. anonymous
    • 5 years ago
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    and in that case basically any number, 4.3232593923954350345 for example, could your choice

  18. anonymous
    • 5 years ago
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    so you now have so many choices, essentially an infinite number of choices now, because the new survey scale is *continuous*

  19. anonymous
    • 5 years ago
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    ok. im still confused. youved gotten me nowhere bud

  20. anonymous
    • 5 years ago
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    OK, so now, let's look at X in your question, which is the amount of time it takes to get to work.

  21. anonymous
    • 5 years ago
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    it may take you 5 minutes to get to work one day. it may take you 5 minutes and 11 seconds the next. i may take you 5 minutes 11 seconds and 15 milliseconds the following day

  22. anonymous
    • 5 years ago
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    yes?

  23. anonymous
    • 5 years ago
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    you are not limited to a few options (like in the first survey with 1,2,3,4,5), because the amount of time can vary greatly

  24. anonymous
    • 5 years ago
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    continous?

  25. anonymous
    • 5 years ago
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    well yes

  26. anonymous
    • 5 years ago
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    does it make sense?

  27. anonymous
    • 5 years ago
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    no. not really i quessed..

  28. anonymous
    • 5 years ago
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    right ;) can you try to explain to me what discrete means?

  29. anonymous
    • 5 years ago
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    fintite??

  30. anonymous
    • 5 years ago
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    all right, so what is continuous?

  31. anonymous
    • 5 years ago
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    unfinite.? but i dont nderstand what finite is reallly XD

  32. anonymous
    • 5 years ago
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    ok finite sort of just means that you can count whatever it is

  33. anonymous
    • 5 years ago
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    like in the survey, you could count the number of possible choices: there were only 5 (1,2,34,5) in the finite case

  34. anonymous
    • 5 years ago
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    sorry about that, OK, so infinite sort of just means that you can't count whatever it is: in the case where you could now choose any value from to 1 to 5, like 4.23423545, you could also choose 4.3224545 or 4.3 or 3.2352345 or a 3 with however many numbers behind the decimal point

  35. anonymous
    • 5 years ago
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    in that case you can't count the number of possible choices...there are an infinite number

  36. anonymous
    • 5 years ago
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    k i thinkg i got it

  37. anonymous
    • 5 years ago
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    all right. i hope this helped. I need to go now. good night and good luck

  38. anonymous
    • 5 years ago
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    k thank you

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