Data Analysis
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Questions and Answers

Which of the following equations represents the line of best fit for the given data?

  • $y = -0.7x - 5.1$
  • $y = -0.7x + 5.1$ (correct)
  • $y = 0.7x + 5.1$
  • $y = 0.7x - 5.1$

    • What is the type of correlation between the x and y values?

  • Cannot be determined
  • No correlation
  • Negative correlation (correct)
  • Positive correlation

    • What is the predicted value of y when x is 5, based on the line of best fit?

  • 5.5
  • 3.5
  • 4.5 (correct)
  • 2.5

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