Statistics Solutions

(Solution Library) The following data was collected comparing the X=% of light absorption at 5800A and Y=peak photovoltage: X 4.0 8.7 12.7 19.1 21.4 24.6

Question: The following data was collected comparing the X=% of light absorption at 5800A and Y=peak photovoltage: (10 points)

X 4.0 8.7 12.7 19.1 21.4 24.6 28.9 29.8 30.5

Y .12 .28 .55 .68 .85 1.02 1.15 1.34 1.29

  1. Determine and interpret the regression equation using the least squares method. (5)
  2. Using the regression equation, estimate the peak photovoltage when X=10.0. (1)
  3. Calculate the correlation coefficient.(2)
  4. Calculate the coefficient of determination. (2)

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