Question: Data for regression Analysis Observation number 1 2 3 4 5 6 7 8 9 10 Independent variable(x) 10 12 11 9 10 12 10

Data for regression Analysis

Observation number 1 2 3 4 5 6 7 8 9 10
Independent variable(x) 10 12 11 9 10 12 10 13 14 12
Dependent variable(y) 400 600 400 500 800 700 500 700 800 600

Find

  1. The value of a and b
  2. Find the question of linear regression
  3. Forecast at x equals to (15,17,20)

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