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Math Help - Correlation

  1. #1
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    Correlation

    I looked at a report that analyzes the oil production through the years I have r= .1133338605 r^2= .0128445639

    A reporter concludes that a low correlation between year and production shows that oil production has remained steady over the 50-year period. Do you agree with this?

    Am I correct to say no because the if it was steady r should be large and that would tell us that this would be a direct cause for the production.

    I attached the scatterplot that I have constructed. This graph is not linear so I shouldn't use correlation to describe this graph?
    Attached Thumbnails Attached Thumbnails Correlation-untitled.jpg  
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  2. #2
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    To start, you aren't looking at a scatter plot.
    However, as far as correlation goes, all that it will tell you is that there is not a strong relationship between oil production and the year. Which means that it's not increasing, decreasing, or remaining steady, but bouncing all over the place. (As shown by your graph)
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  3. #3
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    Quote Originally Posted by Guess992 View Post
    To start, you aren't looking at a scatter plot.
    However, as far as correlation goes, all that it will tell you is that there is not a strong relationship between oil production and the year. Which means that it's not increasing, decreasing, or remaining steady, but bouncing all over the place. (As shown by your graph)
    If the relationship was steady what should the scatterplot look like and/or what would the corelation value be?

    Thank you
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