I have posted the note that the formula should be used, and it is done manually by the formula that is located in the hand writing notes
Solution :
Given that
I have posted the note that the formula should be used, and it is done manually by the formula th...
Additional Problem A researcher collected data on Y and four X-variables: X1, X2, X3, X4, and he wants to obtain a regression model. However, he is not sure if all the four X-variables should be included in the model. He provides you with the information shown below, namely, the SSR obtained when Y was regressed on each subset of X-variables. Also given: SST-100, and that the sample size is n 12. Your task Apply the Forward-Stepwise selection method, with a-to-enter-...
1. In Forward Selection a variable is added to the model if its p-value is greater than alpha. a) True b) False 2. We have collected 5 independent variables, (X1, X2, X3, X4, and Xs). We wish to use Backward Elimination to determine the optimal subset of variables to use. When performing Backward Elimination, what model do we start with? a) Y = βο + βιXI + β2Χ2 + β3Χ3 + β4Χ4 + βsXς +ε b) Y = βο +...
Independent variables in the model SSR SSE d.f. SSE MSE R? Cp X+ 14 829 1 552.87728 13 119.45210 0.9052 18.59237 5 992.70400 10 389 13 799.19026 0.3658 186.9778 X 9 115.87056 7 266.30677 13 558.94667 0.5565 127.4702 X4 11 085 5 297.40169 13 407.49244 0.6766 89.94983 X1, X2 14 830 1 552.01176 12 129.33431 0.9053 20.57588 X, X, 14 990 1 392.56509 12 116.04709 0.9150 17.53739 X., Xo 15543 839.17793 12 69.93149 0.9488 6.991777 X2, X, 11 130 5...
I NEED A SOLUUTION ASAP consider the situation where x-accelerated strength o concrete and y 28 day cured strength. Suppose the simple linear regression model s valid for x between 100 and 4000 and that experiment in which n-7, and the x values at which observations are mede are x1-800.x2 = 1 700.x3-2200, x4 = 2600, x5 = 3200, x5-3600, and x7-3800. 1 25 and σ 3 Consider an 1 (a) Calculate o, the standard deviation of F (Round your...