Question

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). x 3 3 8 16 26 36 y 44 52 75 100 150 200 Complete parts (a) through (e), given Ex = 92, Ey = 621, Ex2 = 2310, Ey2 = 82,765, Exy = 13,588, and r=0.997.

Answer 1

8x* * * зчча 1936 133 з 52 2704 | 56 8 #s 64 56а - боо 4 Гоо 2 6 10,ооо 14оо То,000 150 2 оо 67 6 12 96 9 31o забоо 3900 чорро 7200 8276 - 13389 23 63 | з 5) ч. 88765- 1х - 92 3 = 63) 5°, 2310 2х7 : 13583- х Я = 1С. 33 - Jo3 : 5 у = 34-193 + ч• Сә) X г.. ь. 213 - Ha) — 3х2 – 3х) 13 x 88 – 93 x4 2 ) qo66 — — Ч•Sə | 2300 — 197) %99 • 33 - “S8 hя - \ o3. - ч- S2 x 13-33 ч - bx - ЭЧ - ) 93

e) २ - 0.११५ Explaineet = ११.५ unexplained 2 0.6 % . when Xall 34.193+ 4.52 1 - 8 3.92