eBookGiven are five observations for two variables, z and y.15 13 17 1951 58 50 23 16The estimated regression equation for these data is y= 62.15 - 2.05z.a. Compute SSE, SST, and SSR.%3DSSE(to 2 decimals)SST(to 2 decimals)SSR(to 2 decimais)b. Compute the coefficient of determination r, Comment on the goodness of fit.(to 3 decimals)The least squares line provided anSelect your answer it;% of the variability in y has been explained by the estimated regression equation (to1 decimal).c. Compute the sample correlation coefficient. Enter negative value as negative number.(to 3 decimals)0 Jcon Key4 Question 2 of

Solution To find sum of squares we will use regression analysis in excel .

Answered: eBook Given are five observations for…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Given are five observations for two variables, x and y. 1 7 10 15 20 51 56 40 17 14 Yi The estimated regression equation for these data is ŷ = 60.90 – 2.39x. a. Compute SSE, SST, and SSR. SSE (to 2 decimals) SST (to 2 decimals) SSR. (to 2 decimals) b. Compute the coefficient of determination r2. Comment on the goodness of fit. (to 3 decimals) The least squares line provided an - Select your answer - +) fit; % of the variability in y has been explained by the estimated regression equation (to 1 decimal). c. Compute the sample correlation coefficient. Enter negative value as negative number. (to 3 decimals)
The data show the chest size and weight of several bears. Find the regression equation, letting chest size be the independent (x) variable. Then find the best predicted weight of a bear with a chest size of 40inches. Is the result close to the actual weight of 352pounds? Use a significance level of 0.05.a. Chest size (inches) 41 54 44 55 39 51 Weight (pounds) 328 528 418 580 296 503 a.What is the regression equation? b. The best predicted weight for a bear with a chest size of 39 inches is _______pounds.
Please assist with question b
Use the given data to find the equation of the regression line. Examine the scaterplot and identify a characteristic of the data that is ignored by the regression line. x 11 y 734 11 6.48 12.77 8 12 7.66 13 9.05 4 13 7.98 7. 6.59 7.38 5 85 5.48 5.99 Create a scatterplot of the data. Choose the correct graph below OA. OB. C. OD. 25 Ar 25 AY 25 25 20 201 20 20 15- 15 10 154 15 10 10 10 0 10 15 20 25 0510 15 20 25 68 10 15 le 05 10 15 2o 25 Find the equation of the regression line. (Round the y-intercept two decimal places as needed. Round the slope to three decimal places as needed) Identily a characteristic of the data that is ignored by the regression line OA There is no characteristic of the data that is ignored by the regression ine OB There is an influential point that strongly affects the graph of the regression line OC The data has a pattem that is not a straight Iine OD. There is no trend in the data.
Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. The table shows the shoe size and heights (in.) for 6 men. Shoe size, x Height, y 7.5 66.5 Find the regression equation. ŷ=x+ y (Round to three decimal places as needed.) 9.5 69.5 10.5 70.5 11.0 72.5 13.0 72.5 13.5 73.5
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Given are five observations for two variables, x and y. Use the estimated regression equation: y = 73.9561 - 3.1463x (NEED ANSWERS FOR A, B, C, D, E)
answer this. not graded
Use the given data to find the equation of the regression line. Round the final values to three significant digits, if necessary. 6 8 20 28 36 2 4 13 20 30 y OA. y = -2.79+0.897x OB. y = -3.79+0.897x OC. y=-3.79+0.801x OD. y = -2.79+0.950x TIE
Use the given data to find the equation of the regression line. Round the final values to three significant digits, if necessary. A horizontal table lists x-values in the first row and y-values in the second row. The x-values are as follows from left to right: 6, 8, 20, 28, and 36. The y-values are as follows from left to right: 2, 4, 13, 20, and 30. A. y with caret= −2.79 + 0.897x B. y with caret = −3.79 + 0.801x C. y with caret= −2.79 + 0.950x D. y with caret = −3.79 + 0.897x
Given are 3 observations for two variables, x and y. 1 3 6. 9. 10 What is the estimated regression equation? Select one: a. ÿ = -2 + 6.5x O b. ý 10.89 – 0.87x с. у -0.87+ 10.89x d. ŷ 6.5 – 2x %3D
Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. The table shows the shoe size and heights (in.) for 6 men. Shoe size, x Height, y Find the regression equation. ŷ=x+ (Round to three decimal places as needed.) Choose the correct graph below. O A. Height (in.) 75+ 65- 8 Shoe size N O B. Height (in.) 75+ 65+ 8.5 65.0 Shoe size 9.5 66.0 o 11.0 67.0 O C. Height (in.) 75 65 8 Shoe size 12.0 73.0 Q 13.0 71.0 D. Height (in.) 75- 65 13.5 73.0 Shoe size Q o

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