The following estimated regression equation is based on 30 observations.
y= 17.8- 3.5x1
-2.2x2 +7.6x3 +2.5x4
The values of SST and SSR are 1,810 and 1,755, respectively.
1) Compute R2 (round to 3 decimals)
2) Compute Ra2 (Round to 3 decimals)
The following estimated regression equation is based on 30 observations. y= 17.8- 3.5x1 -2.2x2 +7.6x3 +2.5x4 ...
The following estimated regression equation based on 30 observations was presented. ŷ = 17.6 + 3.8x1 − 2.3x2 + 7.6x3 + 2.7x4 The values of SST and SSR are 1,807 and 1,758, respectively. (a) Compute R2. (Round your answer to three decimal places.) R2 = (b) Compute Ra2. (Round your answer to three decimal places.) Ra2 = part 2: the following estimated regression equation relating sales to inventory investment and advertising expenditures was given. ŷ = 27 + 15x1 +...
The following estimated regression equation based on 10 observations was presented. ŷ = 29.1220 + 0.5306x1 + 0.4880x2 The values of SST and SSR are 6,714.125 and 6,219.375, respectively. (a) Find SSE. SSE = (b) Compute R2. (Round your answer to three decimal places.) R2 = (c) Compute Ra2. (Round your answer to three decimal places.) Ra2 =
a. In a regression analysis involving 30 observations, the following estimated regression equation was obtained: y=17.6+3.8x1-2.3x2+7.6x3+2.7x4 For this estimated regression equation SST=1805, and SSR=1760. At α=0.05, test the significance of the relationship among the variables.
In a regression analysis involving 30 observations, the following estimated regression equation was obtained. y=17.6+3.8x1-2.3x2+7.6x3+2.7x4 For this estimated regression equation SST= 1805 and SSR=1756. a. At a= 0.05 , test the significance of the relationship among the variables. SSE=_________________ (to 1 decimal, if necessary) MSR=________________ (to 1 decimal, if necessary) MSE=+_______________ (to 2 decimals, if necessary) What is the value of the F test statistic (to 1 decimal)? _______________ What is the p-value? - Select your answer -less than .01,between...
The exercise involving data in this and subsequent sections were designed to be solved using Excel. The following estimated regression equation is based on 30 observations. y= 18.1 +4x1 - 2.4x2 +7.7x3+2.6x4 The values of SST and SSR are 1807 and 1759, respectively. a. Compute r2 (to 3 decimals). b. Computer ra2 (to 3 decimals).
The estimated regression equation for a model involving two independent variables and 10 observations follows. v=27.085 + 0.3331 + 0.604222 a. Interpret by and b2 in this estimated regression equation. bi Select your answer 02 Select your answer b. Estimate y when Z1 =180 and 22 = 310 (to 3 decimals). The exercise involving data in this and subsequent sections were designed to be solved using Excel. The following estimated regression equation is based on 30 observations. y = 17.2...
eBook The exercise involving data in this and subsequent sections were designed to be solved using Excel. The following estimated regression equation is based on 30 observations. ? 17.3 + 3.5c,-2x2 + 7.4x3 + 2.8z4 The values of SST and SSR are 1,801 and 1,755, respectively. a. Compute R2 (to 3 decimals) .026 b. Compute R (to 3 decimals). .129 c. How good is the fit provided by the estimated regression equation? The estimated regression equation provided an excellent fit...
In a regression analysis involving 30 observations, the following estimated regression equation was obtained. = 17.6 +3.821 -2.3x2 + 7.603 + 2.724 For this estimated regression equation SST = 1805 and SSR = 1,756. a. At a = 0.05, test the significance of the relashionship among the variables. SSE (to 1 decimal, if necessary) MSR (to 1 decimal, if necessary) MSE (to 2 decimals, if necessary) What is the value of the F test statistic (to 1 decimal)? Use Table...
eBook Video In a regression analysis involving 30 observations, the following estimated regression equation was obtained. 17.6+3.8z-2.3z +7.6z, +2.7z For this estimated regression equation SST- 1805 and SSR- 1,764. a. At a 0.05, test the significance of the relashionship among the variables. SSE (to 1 decimal, if necessary) MSR (to 1 decimal, if necessary) MSE (to 2 decimal if necessary) What is the value of the F test statistic (to 1 decimal)? Use Table 4 in Appendix B. What is...
The data from exercise 1 follow.The estimated regression equation for these data is yˆ = .20 + 2.60x.Compute SSE, SST, and SSR using the following equations (14.8), (14.9), and (14.10) (to 1 decimal if necessary).SSESSTSSRCompute the coefficient of determination r2 (to 3 decimals).Does this least squares line provide a good fit?Compute the sample correlation coefficient (to 4 decimals).