Brightness of finished paper

Assignment Help Basic Statistics

Reference no: EM131821613

This exercise requires the use of a computer package. The accompanying data resulted from a study of the relationship between y = brightness of finished paper and the independent variables x₁ = hydrogen peroxide (% by weight), x₂ = sodium hydroxide (% by weight), x₃ = silicate (% by weight), and x₄ = process temperature ("Advantages of CE-HDP Bleaching for High Brightness Kraft Pulp Production," TAPPI [1964]: 107A- 173A).

2042_brightness of finished paper.png

a. Find the estimated regression equation for the model that includes all independent variables, all quadratic terms, and all interaction terms.

b. Using a .05 significance level, perform the model utility test.

c. Interpret the values of the following quantities: SSResid, R², and s_e.

Reference no: EM131821613

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