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anonymous

  • one year ago

The graph below plots the values of y for different values of x: Which correlation coefficient best matches the data plotted on the graph? 0.5 0.8 0.9 1.0

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    @DanJS hey can you help?

  3. anonymous
    • one year ago
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    @triciaal

  4. triciaal
    • one year ago
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    what is the correlation coefficient?

  5. anonymous
    • one year ago
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    uum, i dont know

  6. triciaal
    • one year ago
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    sorry phone

  7. triciaal
    • one year ago
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    let us find the slope

  8. triciaal
    • one year ago
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    change in y / change in x = y2 -y1/ x2 -x1 for 2 points on the line (x1,y1) and (x2, y2)

  9. anonymous
    • one year ago
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    what do i put in for x and y?

  10. triciaal
    • one year ago
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    give me a min stats not my best let me verify correlation

  11. anonymous
    • one year ago
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    okay

  12. triciaal
    • one year ago
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    the slope is for the "best fit" line

  13. anonymous
    • one year ago
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    okay

  14. triciaal
    • one year ago
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    found a formula but even the shortcut is long I need to pass, sorry. will try to solicit more help for you

  15. triciaal
    • one year ago
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    @jdoe0001 @SolomonZelman stats?

  16. anonymous
    • one year ago
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    OK but thankyou for trying :)

  17. triciaal
    • one year ago
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    |dw:1437608977395:dw|

  18. anonymous
    • one year ago
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    What is that?

  19. triciaal
    • one year ago
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    |dw:1437609332181:dw|

  20. triciaal
    • one year ago
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    |dw:1437609459201:dw|

  21. anonymous
    • one year ago
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    Yea

  22. triciaal
    • one year ago
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    |dw:1437609666432:dw|

  23. anonymous
    • one year ago
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    ok im following

  24. triciaal
    • one year ago
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    great but this is TEDIOUS

  25. anonymous
    • one year ago
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    Yea i know haha, you dont have to help if you dont want to

  26. anonymous
    • one year ago
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    @DanJS

  27. triciaal
    • one year ago
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    @Mertsj

  28. anonymous
    • one year ago
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    @Keigh2015

  29. anonymous
    • one year ago
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    Can you help?

  30. Keigh2015
    • one year ago
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    I will try, this in not my best subject

  31. triciaal
    • one year ago
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    @Keigh2015 you too

  32. Keigh2015
    • one year ago
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    you too what?

  33. anonymous
    • one year ago
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    Can you?

  34. Keigh2015
    • one year ago
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    I don't know still trying to look at all of it and make sense of it all, but i will try.

  35. anonymous
    • one year ago
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    Okay

  36. triciaal
    • one year ago
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    @Keigh2015 meant this/stats is not your best subject

  37. Keigh2015
    • one year ago
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    Ok so, I can't figure out which function it would be, but probably a positive cubic function. The spacing between the points seems to be 1.0 (1 unit exactly). Oh yeah this is not my best subject @triciaal

  38. anonymous
    • one year ago
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    ill just put that, its been forever on this question

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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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