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Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
Chapter5: A Survey Of Other Common Functions
Section5.6: Higher-degree Polynomials And Rational Functions
Problem 1TU: The following fictitious table shows kryptonite price, in dollar per gram, t years after 2006. t=...
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please assist with non graded problem

The following estimated regression equation is based on 30 observations.
ŷ = 17.5 + 3.5x1 – 2.5x2 + 7.4xg + 2.9a4
The values of SST and SSR are 1,800 and 1,764, respectively.
a. Compute R (to 3 decimals).
b. Compute R (to 3 decimals).
c. Comment on the goodness of fit.
The estimated regression equation
Select your answer -
Transcribed Image Text:The following estimated regression equation is based on 30 observations. ŷ = 17.5 + 3.5x1 – 2.5x2 + 7.4xg + 2.9a4 The values of SST and SSR are 1,800 and 1,764, respectively. a. Compute R (to 3 decimals). b. Compute R (to 3 decimals). c. Comment on the goodness of fit. The estimated regression equation Select your answer -
Expert Solution
Step 1

The given information is 

The regression model is 

y = 17.5 + 3.5 x1 -2.5x2 + 7.4x3 + 2.9 x4

SST = 1800 

SSR = 1764

n : Number of obervations = 30

k: Number of variables = 4

 

 

It is asked to compute 

  • R2
  • Ra2
  • Comment on the goodness of fit
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