Answer Happy

• Generate a Representative Sample of the Data Select a region and generate a simple random sample of 30 from the data. o Report the mean, median, and standard deviation of the listing price and the square foot variables. • Analyze Your Sample • Discuss how the regional sample created is or is not reflective of the national market. - Compare and contrast your sample with the population using the National Summary Statistics and Graphs Real Estate Data PDF document. o Explain how you have made sure that the sample is random. ▪ Explain your methods to get a truly random sample. • Generate Scatterplot • Create a scatterplot of the x and y variables noted above and include a trend line and the regression equation • Observe patterns o Answer the following questions based on the scatterplot: ▪ Define x and y. Which variable is useful for making predictions? ▪ Is there an association between x and y? Describe the association you see in the scatter plot. ▪ What do you see as the shape (linear or nonlinear)? ▪ If you had a 1,800 square foot house, based on the regression equation in the graph, what price would you choose to list at? ▪ Do you see any potential outliers in the scatterplot? ▪ Why do you think the outliers appeared in the scatterplot you generated? ▪ What do they represent?
1 Real Estate County Data for 2019 2 2019 Data (n=1000) 234 5 Region 6 East North Central 7 East North Central 8 East North Central 9 East North Central 10 East North Central 11 East North Central 12 East North Central 13 East North Central 14 East North Central 15 East North Central 16 East North Central 17 East North Central 18 East North Central 719 East North Central 20 East North Central 21 East North Central 22 East North Central 23 East North Central 24 East North Central 25 East North Central 26 East North Central 27 East North Central 28 East North Central 29 East North Central 30 East North Central 31 East North Central 32 East North Central 33 East North Central 34 East North Central 35 East North Central 36 East North Central 37 East North Central 38 East North Central 39 East North Central 40 East North Central 41 East North Central. AF State EIES -S6-62-66---5-66666-66-6---Ec6_ in in il il oh oh **-----* mi il oh in il il oh oh oh oh oh oh mi oh il " County grant vermilion henry wayne coles macoupin vigo jefferson jackson marion bay whiteside trumbull madison knox stephenson macon delaware henry seneca darke scioto belmont sandusky rock island clark columbiana howard richland peoria la salle madison wayne vanderburgh mahoning williamson listing price 219,500 254,500 $156 235,000 $148 203,800 220,800 197,600 165,800 246,500 154,300 149,700 145,100 283,700 243,000 229,100 205,100 235,600 212,900 221,600 257,700 211,900 160,800 204,200 172,500 253,900 166,300 240,500 $'s per square foot $116 241,400 304,300 248,900 187,900 311,100 254,500 213,800 214,100 207,500 171,600 000 700 $141 $117 $111 $122 $136 $105 $116 $117 $136 $133 $187 $118 $140 $128 $134 $123 $168 $114 $131 $101 $146 $127 $137 $164 $152 $132 $131 $154 $156 $172 $134 $123 $141 $4.40 square feet 1,898 1,632 1,588 1,441 1,893 1,783 1,362 1,814 1,463 1,296 1,239 2,087 1,827 1,224 1,740 1,682 1,659 1,651 2,087 1,263 1,416 1,562 1,710 1,738 1,305 1,752 1,469 1,996 1,880 1,434 2,015 1,628 1,243 1,596 1,688 1,218 4003
41 East North Centra 42 East North Central 43 East North Central 44 East North Central 45 East North Central 46 East North Central 47 East North Central 48 East North Central 49 East North Central 50 East North Central 51 East North Central 52 East North Central 53 East North Central 54 East North Central 55 East North Central 56 East North Central 57 East North Central 58 East North Central 59 East North Central 60 East North Central 61 East North Central 62 East North Central 63 East North Central 64 East North Central 65 East North Central 66 East North Central 67 East North Central 68 East North Central 69 East North Central 70 East North Central 71 East North Central 72 East North Central 73 East North Central 74 East North Central 75 East North Central AF 76 East North Central 77 East North Central 78 East North Central 79 East North Central 80 East North Central 81 East North Central 82 East North Central 83 East North Central 84 East North Central i mi oh oh allen oh lucas oh oh 66-6-66622-23-2-22 323 6 6 6 3 2 3 2 2 6 6 6 6 oh oh il oh oh oh mi in. mi il mi mi wi mi oh oh mi in mi oh winnebago adams saginaw montgomery oh ashtabula lawrence huron tazewell summit ✓ sangamon ashland tuscarawas ross shiawassee calhoun kankakee lawrence manitowoc st. clair ingham mclean jackson isabella wood montcalm grant cuyahoga stark athens milwaukee lenawee fond du lac st.joseph ionia genesee muskingum ogle washington wayne muskegon pickaway 236,700 266,100 171,800 225,300 227,600 228,300 177,000 248,300 199,700 B 278,700 185,800 213,500 188,000 270,700 257,200 192,400 266,200 148,700 270,600 181,400 201,400 222,500 203,800 139,200 163,000 266,500 218,300 243,200 265,100 201,000 246,400 184,900 191,500 135,300 193,000 193,600 194,800 188,300 236,600 324,400 256,700 230,400 265,700 $140 $166 $118 $151 $147 $115 $107 $156 $147 $165 $101 $130 $151 $149 $127 $129 $130 $115 $137 $140 $164 $125 $134 $116 $125 $144 $105 $121 $136 $163 $158 $111 $118 $103 $111 $137 $166 $94 $208 $156 $129 $131 $143 1,692 1,599 1,452 1,493 1,550 1,978 1,658 1,587 1,359 1,693 1,847 1,643 1,246 1,815 2,018 1,494 2,042 1,293 1,978 1,294 1,225 1,777 1,526 1,201 1,307 1,853 2,081 2,014 1,947 1,230 1,560 1,666 1,628 1,312 1,736 1,416 1,173 1,999 1,138 2,081 1,986 1,757 1,853
oh mi il oh oh wi 84 East North Central 85 East North Central 86 East North Central 87 East North Central 88 East North Central 89 East North Central 90 East North Central 91 East North Central 92 East North Central 93 East North Central 94 East North Central mi 95 East North Central 96 East North Central wi 97 East North Central wi 98 East North Central 99 East North Central 100 East North Central 101 East North Central 102 East North Central 103 East North Central 104 East North Central 105 East North Central il in in pickaway st. joseph champaign oh in wi wi oh knox lorain mi mi in mi oh lake eaton douglas marathon dekalb marion allen hancock lake portage rock greene calumet midland marquette elkhart monroe 265,700 188,500 246,700 192,200 226,200 226,400 174,500 172,500 202,300 228,600 225,900 189,900 461,400 431,200 347,500 323,300 398,000 380,300 470,600 531,000 513,100 581,800 200 $143 $135 $121 $127 $126 $111 $151 $120 $182 $136 $135 $96 $129 $119 $97 $95 $113 $94 $109 $109 $104 $113 @427 1,853 1,397 2,031 1,510 1,789 2,033 1,157 1,433 1,113 1,679 1,676 1,976 3,581 3,638 3,574 3,408 3,525 4,028 4,316 4,888 4,950 5,146 2176