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obsid price lotsize 1 300 0.140633609 2 370 0.227341598 3 191 0.119375574 4 195 0.105601469 5 373 0.139921947 6 466.275 0.196648301 7 332.5 0.20661157 8

obsid price lotsize 1 300 0.140633609 2 370 0.227341598 3 191 0.119375574 4 195 0.105601469 5 373 0.139921947 6 466.275 0.196648301 7 332.5 0.20661157 8 315 0.142561983 9 206 0.137741047 10 240 0.066391185 11 285 0.137741047 12 300 0.16177686 13 405 0.280922865 14 212 0.148301194 15 265 0.149655647 16 227.4 0.082575758 17 240 0.135950413 18 285 0.163521579 19 268 0.129522498 20 310 0.197474747 21 266 0.126124885 22 270 0.179063361 23 225 0.137809917 24 150 0.119788797 25 247 0.216368228 26 275 0.140358127 27 230 0.154040404 28 343 0.196900826 29 477.5 0.192837466 30 350 0.224357208 31 230 0.110330579 32 335 0.346326905 33 251 0.132300275 34 235 0.146533517 35 361 0.20661157 36 190 0.080348944 37 360 0.250045914 38 575 0.358907254 39 209.001 0.146923783 40 225 0.203856749 41 246 0.144949495 42 50 1.147842057 43 248 0.16184573 44 230 0.121786042 45 375 0.152364555 46 265 0.179843893 47 800 0.022956841 48 417.5 0.186225895 49 253 0.134297521 50 315 0.152892562 51 264 0.152364555 52 255 0.350482094 53 210 0.118135904 54 180 0.138131313 55 250 0.193067034 56 250 0.129132231 57 209 0.12855831 58 258 0.149793388 59 289 0.139118457 60 316 0.127157943 61 225 0.17369146 62 266 0.125895317 63 310 0.122773186 64 471.25 0.363498623 65 335 0.18415978 66 495 0.274701561 67 279.5 0.194214876 68 380 0.346763085 69 325 0.249288338 70 220 0.144628099 71 215 0.265243343 72 240 0.137741047 73 850 1.377410468 74 230 0.093067034 75 306 0.475206612 76 425 0.126836547 77 318 2.127662994 78 330 0.187741047 79 246 0.136455464 80 225 0.432460973 81 111 0.09905877 82 268.125 0.118617998 83 244 0.181198347 84 295 0.13902663 85 236 0.13379247 86 202.5 0.14556933 87 219 0.146051423 88 242 0.113636364

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QUESTION 8 The data set HPRICES.XLS contains data on 88 houses prices (hprice), measured in thousands of dollars, and their corresponding lot size (lotsize), measured in acres. Here house prices include both land and buildings/improvements. hprices.xIs (click the link to open the file) Excluding observation number 42, estimate the model hprice = Bo + Bilotsize + u, by OLS calculating the following quantities: (Use 3 decimals in your numerical answers below.) a) X = b) y= 87 c) E (; - x) (vi - y) = 87 d) E (x; - x) 2 = i =1 e) B1 = f) Bo=

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