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JUNE-Q5: when regression model is "perfect", what is the SSE value and R square value?

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JUNE-Q5: when regression model is "perfect", what is the SSE value and R square value?

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Q1: -1 to 1
Q2: R^2 = 1 - SSE/SST = 1-2/9 ~=0.778
Q3: Variance Inflation Factors
Q4: 0 to 1
Q5:  SSE = 0, R^2 = 1

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JUNE-Q4: What is the range for Coefficient of detemination (r square)

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JUNE-Q4: What is the range for Coefficient of detemination (r square)

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____________ is a useful measure of multicolinearity.

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Q1) -1 to 1
Q2) R square = 1 - SSE/SST  = 1 - (200/900) = 0.78 (2s.f)
Q3) Variance Inflation Factors (VIFs)
Q4) 0 to 1
Q5) Regression model is perfect when

and SSE = 0, R square value is 1

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June-Q2: Calculate coefficient of determination. SSE = 200, SST = 900. 

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June-Q2: Calculate coefficient of determination. SSE = 200, SST = 900. 

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Q1: -1 to 1
Q2: 1 - 2/9 = 7/9 = 0.778
Q3: Variance Inflation Factors
Q4:  0 to 1
Q5: SSE = 0, R square = 1

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Q1: The range is -1 to 1
Q2: 1 - SSE/SST = 1 - 200/900 = 0.778
Q3: Variance Inflation Factors (VIFs)
Q4: The range is 0-1
Q5: SSE = 0, R^2 = 1

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Q1: the range is -1 to 1
Q2: 1 - SSE/SST = 1 - 2/9 = 7/9 = 0.778
Q3: Variance Inflation Factors (VIFs)
Q4: the range is 0 to 1
Q5: SSE Value = 0 R square = 1

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Q1. R is between -1 to 1
Q2. 1 - SSE/SST = 1 -(200/900) = 1 - 0.222 = 0.78
Q3. Variance Inflation Factor (VIFs)
Q4. Between 0 to 1
Q5. SSE=0 & R square=1

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Q1: -1 to 1
Q2: 0.778
Q3: Variance Inflation Factors (VIF)
Q4: 0 to 1
Q5: SSE = 0
R square = 1

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q1) -1 to 1
q2) 0.78
q3) Variance Inflation Factors
(VIF)
q4) between 0 to 1
q5) SSE is 0, R^2 is 1

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Q1) -1 to 1
Q2) 1-SSE/SST = 1 - 2/9 = 7/9 = 0.7888 = 78.8%
Q3) VIFs - Variance Inflation Factors
Q4) 0 to 1
Q5) SSE = 0, R square = 1

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Q1 Ans: -1 to 1x
Q2 Ans: 0.778
Q3 Ans: Variance Inflation Factors(VIFs)
Q4 Ans: 0 to 1
Q5 Ans: SSE = 0, R square = 1

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Q1 : -1 to 1
Q2 :  1 - 2/ 9 = 0.78
Q3 : Variance inflation factors
Q4 : 0 - 1
Q5: sse =0 , r square =1

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Q1:  -1 to 1
Q2: 1 - SSE/SST = 1 - 0.222
= 0.778
Q3: Variance Inflation Factors (VIFs)
Q4:  0 to 1
Q5: SSE = 0
R^2 = 1

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Q1) -1 to 1
Q2) 1- SSE/SST = 1- 200/900
= 0.778
Q3)  Variance Inflation Factors (VIFs)
Q4) Between 0 and 1
Q5) SSE = 0 and R square = 1

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Q1 : -1 to 1
Q2 : 1- 2/9 = 7/9 0.78
Q3 : Variance Inflation Factor
Q4 : 0 - 1
Q5 : SSE = 0 , R Square = 1

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Q1: Range from -1 to 1
Q2:  SSE / SST ~1-  200 / 900 = 0.777
Q3: Variance Inflation Factors
Q4: 0-1
Q5: SSE = 0 , R^2=1

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Q1) Range of R : -1 to 1
Q2) R^2 = 1 - SSE/SST
R^2 = 1 - 200/900
Thus, R^2 = 0.778 (3 s.f.)
Q3) Variance Inflation Factors
Q4) Range of R^2 : 0 to 1
Q5) SSE = 0 , R^2 = 1

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Q1: -1 to 1
Q2: R sq = 1 - SSE/SST = 1 - 200/900 = 0.778
Q3:  Variance Inflation Factors
Q4: 0 to 1
Q5: SSE = 0, R sq = 1

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Q1: -1 to 1
Q2:  Coefficient of determination = 1 - 2/9 = 7/9 = 0.778
Q3:  Variance inflation factors (VIF)
Q4: 0 and 1
Q5: SSE = 0, R sq is 1

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Please write your name before you post answer to the question.

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Please write your name before you post answer to the question.

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JUNE-Q1: What is the range of value for correlation (R)