A study was done to study the effect of ambient temperature on the electric power consumed by a chemical plant. Following table gives the data which are collected from an experimental pilot plant.

Temperature(0F) 27 45 72 58 31 60 34 74
Electric Power (BTU) 250 285 320 295 265 298 267 321
  1. Identify which one is response variable, and fit a simple regression line, assuming that the relationship between them is linear.
  2. Interpret the regression coefficient with reference to your problem.
  3. Obtain coefficient of determination, and interpret this.
  4. Based on the fitted model in (a), predict the power consumption for an ambient temperature of 650F.

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