Question: For a set of data, x is the explanatory variable.Its mean is 8.2, and its standard deviation is 1.92. For the same set of data,

For a set of data, x is the explanatory variable.Its mean is 8.2, and its standard deviation is 1.92.

For the same set of data, y is the response variable. Its mean is 13.8, and its standard deviation is 3.03.

The correlation was found to be 0.223.

Select the correct slope and y-intercept for the least-squares line.

  • A. Slope = -0.35
  • y-intercept = 10.9
  • B. Slope = 0.35
  • y-intercept = -10.9
  • C. Slope = -0.35
  • y-intercept = -10.9
  • D. Slope = 0.35
  • y-intercept = 10.9

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