Question: For the following sample: X 3 6 5 9 4 Y 9 12 13 16 11 Manually calculate the covariance. Manually calculate the coefficient of

  1. For the following sample:

X 3 6 5 9 4

Y 9 12 13 16 11

  1. Manually calculate the covariance.
  2. Manually calculate the coefficient of correlation.
  3. Find the least squares equation.
  4. Find the coefficient of determination and interpret its value.

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