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anonymous

  • one year ago

The graph below plots the values of y for different values of x: Plot the ordered pairs 1, 3 and 2, 4 and 3, 9 and 4, 7 and 5, 2 and 6,18 Which correlation coefficient best matches the data plotted on the graph?

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  1. anonymous
    • one year ago
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    0.5 0.8 0.9 1.0

  2. anonymous
    • one year ago
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    @AliceCullen plz?

  3. anonymous
    • one year ago
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  4. anonymous
    • one year ago
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    @Hero @IrishBoy123

  5. anonymous
    • one year ago
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    its 1.0, right?

  6. phi
    • one year ago
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    the idea is to draw a line through all of the points (as best as you can) if the points all fall on the line, you have perfect correlation i.e. 1 as you can see, you can't draw a line through your points.

  7. phi
    • one year ago
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    there is a complicated algorithm to compute the correlation but based on the dots being all over the place I would go with a small number (correlations are between -1 and 1)

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