Using the following information: Coefficients Intercept -12.8094 Independent variable 2.1794 ANOVA df SS MS F Regression...
Using the following information: Coefficients Intercept -12.8094 Independent variable 2.1794 ANOVA df SS MS F Regression 1 12323.56 12323.56 90.0481 Residual 8 1094.842 136.8550 Total 9 13418.4 Estimate the value of Ŷ when X = 4.
Homework Answers
From the given information, regression equation will be:
Ŷ = -12.8094 + 2.1794x
Hence for x = 4:
Ŷ = -12.8094 + 2.1794*4
Ŷ = -4.0918
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Using the following information: Coefficients Intercept -12.8094
Independent variable 2.1794 ANOVA df SS MS F Regression...
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ANOVA df SS Regression 1 882 Residual 20 4000 Total 21 4882 Coefficients Standard Error t...
ANOVA df SS Regression 1 882 Residual 20 4000 Total 21 4882 Coefficients Standard Error t Stat Intercept 5.00 3.56 Variable x 6.30 3.00 Use the ANOVA table that was provided in question 7 and Perform an F test and determine whether x and y are related. Use α = .05 Answer Options: Since the test statistic F = 3.45 < 4.35 ,Fail to reject HO Since the test statistic F = .45< 3.45, Fail to reject HO Since the...
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(4) A regression software output is given below. df ANOVA Source Regression Residual Total 4 SS...
(4) A regression software output is given below. df ANOVA Source Regression Residual Total 4 SS 227,09 153,07 380,16 MS 56,8 6,1 25 29 Variables Intercept X1 X2 X3 X4 Standard Coefficients Error 68,33 8,9 0,85 0,3 -0,33 0,8 -0,81 0,2 -0,58 0,2 a. How large is the sample size? b. Write the regression equation. Interprete the coefficient of X2. c. Determine and interprete the coefficient of determination. d. Conduct a global test of hypothesis fort he meaning of the...
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7,10,11 Based on the following regression output, what is the equation of the regression line? Regression...
7,10,11
Based on the following regression output, what is the equation of the regression line? Regression Statistics Multiple R 0.917214 R Square 0.841282 Adjusted R Square 0.821442 Standard Error 9.385572 Observations 10 ANOVA df SS MS Significance F 1 Regression 3735.3060 3735.30600 42.40379 0.000186 8 Residual 704.7117 88.08896 9 Total 4440.0170 Coefficients Standard Error t Stat P-value Lower 95% Intercept 31.623780 10.442970 3.028236 0.016353 7.542233 X Variable 1.131661 0.173786 6.511819 0.000186 0.730910 o a. 9; = 7.542233+0.7309 Xli o b....
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(4) A regression software output is given below. df ANOVA Source Regression Residual Total 4 SS 227,09 153,07 380,16 MS 56,8 6,1 25 29 Variables Intercept X1 X2 X3 X4 Standard Coefficients Error 68,33 8,9 0,85 0,3 -0,33 0,8 -0,81 0,2 -0,58 0,2 a. How large is the sample size? b. Write the regression equation. Interprete the coefficient of X2. c. Determine and interprete the coefficient of determination. d. Conduct a global test of hypothesis fort he meaning of the...
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