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mariomintchev

  • 2 years ago

b1= r * (Sy/Sx) How do I get the number for r (correlation) given the averages of X and Y and their standard deviations?

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  1. mariomintchev
    • 2 years ago
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    @asnaseer @bahrom7893 @iHelp @jim_thompson5910 @karatechopper

  2. kuraby
    • 2 years ago
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    Statistics? fun. \[r = sxy/((sx)(sy))\] where sx and sy are you standard devaitions and sxy is:

  3. kuraby
    • 2 years ago
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    Which is the average of your means.

  4. mariomintchev
    • 2 years ago
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    im still a little confused. can you tell me how they got b1 based on the data presented?

  5. mariomintchev
    • 2 years ago
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  6. mariomintchev
    • 2 years ago
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    @.Sam. @eyust707 @satellite73

  7. satellite73
    • 2 years ago
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    missing a lot of the page

  8. satellite73
    • 2 years ago
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    \[S_{xy}=\frac{1}{n-1}\sum_{i=1}^n(x_1-\overline{x})(y_1-\overline{y})\] i can understand, we just need these numbers

  9. mariomintchev
    • 2 years ago
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    well then ill upload it as an excel file rather than a PDF because PDF gets choppy

  10. mariomintchev
    • 2 years ago
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