EMÜ334 Homework 1 Solved

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The purity of oxygen produced by a fractional distillation process is thought to be related to the percentage of hydrocarbons in the main condensor of the processing unit. Twenty samples are shown below. a. Fit a simple linear regression model to the data.

  1. Test the hypothesis H0: β1 = 0.
  2. Calculate R2.
  3. Find a 95% CI on the slope.
  4. Find a 95% CI on the mean purity when the hydrocarbon percentage is 1.00.