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anonymous

  • one year ago

WILL GIVE MEDAL !!!! Given the data set (4, 85), (7, 92), (14, 110), which of the following equations best represents a line of best fit? y = seven over threex + 75.67 y = two over threex + 75.67 y = five over threex − 75.5 y = seven over fourx − 75.5

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  1. anonymous
    • one year ago
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    If I use a CAS program to make regression over the 3 points, then I get a function: y = 2.5127x + 74.7278, whcih means the correct answer is the first, since that is closest.

  2. anonymous
    • one year ago
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    It looks like this

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  3. anonymous
    • one year ago
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    @Tommynaiter thanks alot can u help with more?

  4. anonymous
    • one year ago
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    Yea, sure

  5. anonymous
    • one year ago
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    An equation was used to predict possible weights of puppies at 6 months of age. The actual weights of the puppies are also listed. Actual weight (ounces) 9 15 16 20 20 26 Predicted weight (ounces) 9 12 15 18 21 24 The sum of the residuals is ______.

  6. anonymous
    • one year ago
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    I dont know what level you are on, but the residual sum can be calculated by the formula:

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