You are the foreman of the Bar-S cattle ranch in Colorado. A neighboringranch has calves for sale, and you are going to buy some calves to add tothe Bar-S herd. How much should a healthy calf weigh? Let x be the age ofthe calf (in weeks), and let y be the weight of the calf (in kilograms).2312162615036y | 454870100200A USE SALTComplete parts (a) through (e), given Ex = 95, Ey = 613, Ex²2385, Σy2%3D= 81,729, Exy = 13,774, and r - 0.9918.(a) Draw a scatter diagram displaying the data.210Graph Layers200190After you add an object to the graph you180can use Graph Layers to view and edit its170properties.160Fill150140130120110100NoSolution908070605040+30O Help20253035101540WebAssign. Graphing Tool(b) Verify the given sums Ex, Ey, Ex², Ey², Exy, and the value of thesample correlation coefficient r. (Round your value for r to four decimalplaces.)Ex =Ey =Ex² =Ey? =Exy =(c) Find x, and y. Then find the equation of the least-squares line ŷ = a+ bx. (Round your answers to four decimal places.)x =y =ŷ = (d) Graph the least-squares line. Be sure to plot the point (x, y) as apoint on the line.y200200아150아150-100아10050501020304010203040yy200아2001501501001005050X1020304010203040(e) Find the value of the coefficient of determination r2. Whatpercentage of the variation in y can be explained by the correspondingvariation in x and the least-squares line? What percentage isunexplained? (Round your answer for r2 to four decimal places. Roundyour answers for the percentages to two decimal place.)12 =explainedunexplained%(f) The calves you want to buy are 11 weeks old. What does the least-squares line predict for a healthy weight? (Round your answer to twodecimal places.)kg

Name: You are the foreman of the Bar-S cattle ranch in Colorado. A neighbor
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Description: You are the foreman of the Bar-S cattle ranch in Colorado. A neighboringranch has calves for sale, and you are going to buy some calves to add tothe Bar-S herd. How much should a healthy calf weigh? Let x be the age ofthe calf (in weeks), and let y

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You are the foreman of the Bar-S cattle ranch in Colorado. A neighboring ranch has calves for sale, and you are going to buy some calves to add to the Bar-S herd. How much should a healthy calf weigh? Let x be the age of the calf (in weeks), and let y be the weight of the calf (in kilograms). 3 12 16 26 150 36 200 45 48 70 100 A USE SALT Complete parts (a) through (e), given Ex = 95, Ey = 613, Ex2 = 2385, Ey2 = 81,729, Exy = 13,774, andr = 0.9918. (a) Draw a scatter diagram displaying the data. 210 Graph Layers 200 After you add an object to the graph you can use Graph Layers to view and edit its 190 180 properties. 160 Fill 140 130 120 110 No Solution 90 80 70 60 40 O Hele WebAssign. Graphing Tool (b) Verify the given sums Ex, Ey, Ex², £y², £xy, and the value of the sample correlation coefficient r. (Round your value forr to four decimal places.) Ex = Ey = Ex² = Ey? - Σxy (c) Find x, and y. Then find the equation of the least-squares line 9 = a + bx. (Round your answers to four decimal places.) y3=