Lab #1 Solutions Mathew Arndt

Desktop Computer Sales at a Computer Store for One Week

Sale # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43

Price 1201 1064 1174 1086 1197 1065 1133 1075 1051 1190 1183 1119 1128 1155 1229 1228 1047 1113 1222 1159 1079 1216 1115 1049 1119 1160 1172 1193 1105 1241 1141 1183 1148 1078 1180 1194 1192 1093 1102 1030 1184 1245 1076

Store South North South Downtown Downtown Downtown North Downtown Downtown South South Downtown North North South North South North North Downtown Downtown South South Downtown North North North North North North South North South South North North Downtown North South South South Downtown Downtown

Sell Time 20 20 35 30 30 35 35 30 35 40 30 45 20 15 30 20 25 35 35 30 25 15 30 25 30 20 35 20 35 40 30 20 30 20 25 35 15 40 10 25 30 25 30

Manufacturer Compaq Compaq Gateway Acer Hewlet Packard Gateway Gateway Gateway Compaq Hewlet Packard Compaq Gateway Compaq Compaq Hewlet Packard Compaq Gateway Compaq Hewlet Packard Compaq Hewlet Packard Compaq Gateway Acer Hewlet Packard Compaq Compaq Compaq Acer Gateway Gateway Acer Compaq Gateway Gateway Gateway Gateway Compaq Compaq Acer Compaq Gateway Acer

Salesperson Ann Gerardo Ann Simon Lucinda Simon Gerardo Isaac Lucinda Dominick Dominick Isaac Kristof Gerardo Dominick Kristof Ralph Blake Blake James Isaac Dominick Ralph Simon Gerardo Kristof Gerardo Norm Gerardo Gerardo Ralph Blake Ralph Ralph Norm Gerardo Simon Gerardo Ann Ann Ann Lucinda Simon

44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95

1063 1186 1139 1181 1133 1128 1157 1196 1154 1022 1125 1041 1173 1150 1090 1075 1124 1248 1129 1025 1109 1181 1052 1131 1063 1115 1185 1006 1168 1211 1052 1194 1240 1133 1076 1075 1190 1147 1057 1114 1080 1215 1083 1074 1017 1001 1207 972 1051 1046 1309 1292

North North North South Downtown North South South North North Downtown North South North South Downtown North South Downtown Downtown South Downtown Downtown North Downtown South Downtown Downtown North South North South South Downtown North North South Downtown Downtown Downtown North South Downtown North Downtown North South Downtown North North South South

40 40 20 20 40 30 15 35 25 35 35 30 30 20 40 35 20 20 20 20 40 20 15 25 20 20 20 30 15 45 15 15 25 30 30 20 30 10 10 25 25 40 5 40 30 30 40 25 20 40 5 30

Hewlet Packard Hewlet Packard Gateway Hewlet Packard Hewlet Packard Compaq Acer Hewlet Packard Gateway Acer Acer Gateway Hewlet Packard Acer Compaq Hewlet Packard Hewlet Packard Hewlet Packard Gateway Gateway Gateway Hewlet Packard Acer Compaq Acer Compaq Gateway Acer Gateway Compaq Acer Compaq Compaq Gateway Compaq Compaq Hewlet Packard Compaq Compaq Gateway Compaq Gateway Gateway Compaq Acer Acer Hewlet Packard Acer Compaq Gateway Hewlet Packard Gateway

Norm Blake Blake Dominick James Blake Ann Dominick Norm Gerardo James Gerardo Ann Norm Ralph Isaac Gerardo Ann Lucinda Simon Ralph James Isaac Kristof Isaac Ralph Simon Neely Norm Ann Gerardo Dominick Ralph James Blake Norm Dominick James Isaac James Norm Dominick Neely Gerardo Lucinda Norm Ann Simon Blake Gerardo Dominick Ann

96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147

1153 1233 1155 1103 1159 1159 1118 1186 1150 1011 1166 1212 1278 1181 1107 1136 956 1154 1222 1171 1071 1219 1244 1058 1178 1142 1078 1226 1111 1131 1206 1261 1153 1246 991 1152 1157 1276 1215 1114 1134 1140 1213 1133 1221 1100 1172 1230 1151 1132 1148 1238

South South South North North North North South Downtown North North North South North Downtown South South Downtown South South North North North North North North South South North Downtown North Downtown North South North North Downtown North Downtown Downtown Downtown North South Downtown South South South Downtown Downtown Downtown North North

30 35 35 50 30 5 20 35 25 20 30 25 40 25 35 30 15 20 25 20 20 30 10 30 30 35 35 40 30 10 15 40 30 25 30 10 15 30 5 5 20 5 40 30 15 15 20 30 35 30 20 10

Acer Gateway Hewlet Packard Gateway Hewlet Packard Hewlet Packard Compaq Gateway Gateway Hewlet Packard Compaq Compaq Gateway Hewlet Packard Compaq Gateway Compaq Hewlet Packard Hewlet Packard Hewlet Packard Acer Compaq Hewlet Packard Compaq Acer Gateway Gateway Compaq Compaq Gateway Compaq Compaq Gateway Hewlet Packard Gateway Compaq Gateway Hewlet Packard Hewlet Packard Gateway Compaq Compaq Compaq Hewlet Packard Hewlet Packard Compaq Compaq Hewlet Packard Compaq Compaq Gateway Compaq

Ralph Dominick Ann Kristof Gerardo Blake Gerardo Ann Lucinda Blake Gerardo Blake Ann Gerardo Isaac Ralph Ann Simon Ann Ann Kristof Gerardo Blake Gerardo Gerardo Blake Ralph Ann Gerardo Lucinda Blake James Blake Dominick Blake Blake Lucinda Kristof Lucinda Simon James Gerardo Ann Lucinda Ann Ralph Ann Lucinda James James Blake Gerardo

148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199

1271 1189 995 1064 1016 1108 1137 1055 1190 1108 1099 1208 1072 1097 1088 1158 1061 1163 1194 1183 1100 994 1149 1167 1107 1092 1029 1095 1167 1194 1163 1183 1105 1193 1156 1017 1013 1206 1081 1124 1063 1074 1038 1140 1115 1042 1065 1056 1103 1107 1126 1130

North North Downtown North Downtown South South Downtown South Downtown Downtown South South Downtown North North Downtown South North South Downtown Downtown South South Downtown North North Downtown Downtown South South South Downtown South Downtown North North South Downtown Downtown South North North Downtown Downtown Downtown Downtown North Downtown Downtown Downtown Downtown

20 30 20 30 35 30 30 30 25 10 20 20 30 5 30 30 35 20 15 20 20 25 15 30 30 40 20 20 20 20 45 35 20 25 20 20 25 20 30 35 25 20 40 40 35 20 35 30 20 50 20 20

Gateway Gateway Gateway Compaq Gateway Gateway Acer Compaq Hewlet Packard Gateway Acer Hewlet Packard Acer Acer Acer Gateway Hewlet Packard Gateway Gateway Gateway Acer Acer Gateway Gateway Acer Compaq Gateway Gateway Compaq Hewlet Packard Hewlet Packard Gateway Acer Compaq Compaq Acer Acer Hewlet Packard Compaq Gateway Gateway Compaq Gateway Hewlet Packard Acer Acer Hewlet Packard Compaq Gateway Compaq Hewlet Packard Acer

Blake Norm Simon Norm James Ralph Ann James Dominick Simon Isaac Ann Ralph Simon Gerardo Norm Simon Dominick Norm Ann Isaac James Ann Ann Neely Blake Blake Isaac James Dominick Ann Dominick Simon Ann Lucinda Gerardo Norm Dominick James James Ralph Blake Blake Lucinda Lucinda Simon Neely Gerardo Simon Neely James Simon

200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215

1030 1172 1143 1158 1114 1059 1011 1127 1183 1131 1132 1124 1132 934 1064 1140

Downtown North South South North North Downtown South Downtown North South North South Downtown North South

20 15 25 35 35 25 40 30 25 30 5 35 40 20 30 20

Acer Hewlet Packard Compaq Acer Compaq Gateway Acer Hewlet Packard Compaq Gateway Compaq Gateway Compaq Compaq Acer Gateway

James Kristof Ann Ann Kristof Blake Neely Ann Lucinda Gerardo Ralph Kristof Ralph James Blake Ralph

USB Ports 4 3 4 6 3 3 3 3 3 4 4 6 6 8 6 8 4 4 6 6 4 4 4 4 3 3 3 3 3 6 6 6 6 6 6 6 6 8 6 4 3 3 3

Processor Speed 2.5 1.6 2.8 2.3 2.5 1.6 2 1.3 1.5 2.2 1.7 1.9 2.8 2.6 2.3 2.7 1.4 1.8 2.6 2.2 1.9 2.2 1.9 1.4 1.9 2.2 2.8 2.4 1.7 1.9 2.4 1.7 2.1 1.8 2.3 2.1 2.4 1.8 1.8 1.6 2.4 2.9 1.7

RAM 2048 512 1024 256 512 512 512 256 256 512 1024 512 512 512 1024 1024 128 512 2048 1024 512 512 512 128 256 1024 1024 2048 1024 1024 1024 1024 1024 256 1024 1024 512 256 512 128 1024 512 512

Hard Drive Space 140 30 120 110 130 40 60 80 150 150 130 100 100 110 130 150 160 90 170 100 90 150 100 140 90 120 100 130 70 160 110 120 110 30 120 140 140 90 90 100 120 70 50

Video RAM 64 64 128 64 64 16 32 16 8 64 32 32 32 128 128 128 32 64 256 128 32 128 128 8 128 128 128 32 64 128 64 64 128 32 64 256 64 32 32 8 128 128 16

4 4 4 4 4 6 6 8 8 6 4 3 3 4 3 4 4 6 8 6 4 3 8 8 6 4 3 3 4 6 8 6 4 3 3 6 8 6 4 3 6 8 6 4 3 6 8 6 4 3 8 6

1.6 2.4 2 2.3 1.9 2.8 2.2 2.5 2.2 1.3 1.9 1.2 3.1 2.1 2.3 1.3 2 2.5 2.9 1.3 1.8 2.2 1.5 2.3 1.6 1.9 2.4 1.4 2.2 2.5 1.5 2 1.9 2 1.7 1.3 2.2 2.9 1.5 1.7 1.7 2.2 1.7 1.7 1.7 1.1 2.2 0.7 1.4 1.4 2.7 3.2

512 512 256 1024 512 256 1024 512 512 256 512 128 1024 1024 512 512 512 1024 512 128 1024 512 128 512 512 512 1024 256 512 1024 256 1024 2048 512 256 1024 512 1024 512 512 512 512 512 1024 256 256 512 256 512 512 2048 2048

90 120 110 120 50 100 110 140 110 100 100 60 120 110 90 80 100 70 110 100 90 120 70 120 90 90 130 40 120 160 70 130 170 60 40 40 130 80 70 90 80 150 80 80 100 80 140 30 150 70 170 160

64 64 32 32 128 32 64 128 64 16 128 32 32 64 64 64 128 256 64 16 32 256 32 128 64 64 128 8 128 64 16 64 128 32 32 32 64 32 32 128 16 128 64 64 8 16 128 16 16 16 256 128

4 3 4 6 8 6 4 3 3 6 8 6 4 4 6 8 6 4 3 3 6 8 6 4 6 8 6 4 3 3 6 8 6 4 4 6 8 6 4 3 3 6 8 4 6 8 6 4 3 3 4 6

2.2 1.9 2.6 1.8 2.2 2.2 1.9 2.4 2.1 1.2 2.3 2.6 2.8 2.3 1.8 2 1.2 2.2 3.2 2.4 1.6 2.5 2 1.4 2.3 2.4 1.8 2.7 1.8 2 2.5 2.9 2.1 2.4 1 2.1 2.6 2.9 2.2 1.7 1.9 2 2.6 2 2.6 1.8 2.8 2.3 2 2 2.1 1.9

512 512 1024 512 1024 512 512 1024 1024 256 512 1024 1024 512 1024 512 256 512 1024 1024 512 512 512 128 512 1024 512 2048 256 256 512 512 1024 1024 256 512 512 1024 1024 256 256 1024 1024 256 1024 512 512 1024 1024 256 256 512

110 150 110 90 100 120 90 130 80 80 120 170 170 120 110 60 30 100 150 120 80 150 70 90 120 70 50 150 70 120 140 150 110 70 80 110 110 150 170 80 60 110 150 50 150 90 120 150 110 120 110 160

128 64 128 64 32 128 64 64 64 16 64 256 64 64 32 64 16 64 128 32 64 64 32 32 128 64 64 256 32 64 64 64 32 128 8 32 128 128 128 32 64 32 32 32 128 64 64 64 128 64 32 256

8 6 4 3 8 4 6 8 6 4 3 3 4 8 4 6 8 6 4 3 3 8 4 6 8 6 4 8 4 6 8 6 4 3 3 4 8 4 6 8 6 4 3 3 4 6 8 6 8 6 6 3

2.9 2.4 1.1 1.4 1.7 1.8 2.1 1.4 2.4 1.8 1.8 2.5 1.6 1.8 2.3 2.2 1.6 2.2 2 2.3 1.8 1 2.1 2.2 1.8 1.7 1.4 1.7 2.2 2.1 2.2 2.3 1.8 2.4 2.6 1.7 1.3 2.5 1.7 1.9 1.6 1.6 1.6 2 2 1.4 1.6 1.5 1.8 1.8 2.3 2

2048 1024 128 512 256 256 512 256 2048 512 256 2048 512 512 512 512 256 512 2048 1024 512 128 1024 1024 512 512 256 512 1024 1024 1024 512 256 1024 512 128 128 512 256 256 512 512 256 256 1024 256 256 256 256 256 512 512

150 130 80 50 80 90 110 70 130 90 90 160 80 90 80 100 90 120 140 120 80 80 110 120 110 90 100 90 120 140 120 120 70 130 110 80 100 140 80 90 90 90 60 110 90 70 40 70 70 110 100 110

64 128 8 32 8 64 32 8 128 64 64 128 32 64 16 64 32 64 64 32 16 8 64 128 64 32 8 32 64 32 64 64 64 128 32 16 8 128 64 32 64 32 8 128 32 16 64 8 32 32 64 64

3 6 6 6 6 6 8 8 8 8 6 6 6 8 8 8

1.6 2.4 2.9 2.2 1.7 1.4 0.7 2 1.7 2 2 1.9 2 0.7 1.6 2

256 1024 512 1024 512 512 128 512 512 512 512 512 512 128 256 1024

60 120 70 100 90 90 80 100 120 120 80 100 110 30 90 110

8 128 32 64 64 32 8 64 128 128 128 128 64 8 32 128

Customer Higher Education 4 4 6 8 6 4 6 2 0 6 4 6 6 4 6 4 0 4 4 6 3 4 6 0 6 4 4 6 4 8 6 6 4 4 4 4 6 4 3 2 4 5 4

Customer Annual Income 62401 29212 55226 75994 62240 50269 55504 15509 23459 59057 57072 52476 43515 50827 59374 55084 22780 40074 65892 42229 33035 79014 41676 22904 52453 42661 68480 70667 37952 71638 48563 57085 49515 32463 46974 61671 76911 35881 36598 20704 57921 74671 32171

Customer Age 56 40 54 57 58 45 55 27 36 57 54 45 45 47 59 50 37 40 71 45 42 57 41 35 48 47 55 57 40 45 32 55 44 43 50 71 57 34 39 37 51 57 44

Customer First Computer No No No No No No Yes No Yes No No Yes No Yes No No No No No No Yes Yes Yes No No No No No No No No Yes No No No No No No No Yes No No No

2 6 0 4 4 4 6 6 6 0 6 2 6 6 3 2 6 0 6 0 4 4 2 6 0 4 6 2 4 4 2 6 4 4 4 0 8 4 0 5 2 6 10 0 2 0 5 2 2 2 8 4

28749 58491 36321 55934 55427 43467 51928 62036 50744 17838 43206 21676 55209 49710 34996 15798 52894 34060 43876 9000 39704 56692 24713 45146 28904 41803 58378 14269 54164 64201 24272 61027 71066 47113 32115 16344 68622 48826 26340 40407 33950 78138 75464 31318 16506 13740 63849 19101 23608 22635 80390 65812

41 55 32 50 53 45 48 63 45 29 48 38 52 39 37 28 50 33 45 24 35 56 30 50 40 43 50 22 50 57 35 66 56 48 47 29 45 38 35 43 41 56 55 45 23 29 57 36 38 30 55 67

Yes Yes Yes No No Yes No No No No Yes Yes Yes Yes No Yes No No No No No No Yes Yes Yes No No Yes Yes No No Yes No No No Yes No No Yes No Yes No No Yes No Yes No Yes No Yes Yes No

0 6 4 4 6 4 4 4 4 2 6 6 6 6 4 5 0 4 6 6 4 6 5 0 6 4 3 4 4 6 4 3 2 4 4 6 6 6 4 5 4 4 8 6 8 6 4 4 6 4 4 4

30050 59866 50813 37808 42138 42147 52305 58743 49716 14322 53753 64664 65623 56325 38100 47552 8900 30111 66167 54211 50541 79509 72847 27886 46707 48731 32303 54794 39831 44365 62657 34730 29534 34021 19651 50147 51445 65519 65065 40443 47256 36376 64772 46403 65845 48416 68583 59503 49908 45682 49471 70810

40 64 40 34 40 44 46 63 46 25 51 59 66 52 42 38 28 42 63 52 48 57 56 39 49 35 45 50 42 49 45 29 40 30 35 47 46 64 64 40 35 33 58 52 62 44 56 58 45 45 39 58

No No No No Yes Yes No No No No No Yes No No No No No No No No No No No No No No Yes No Yes No No Yes Yes No No No No No No Yes No No No No No Yes Yes Yes No No No No

4 6 0 2 0 5 5 2 4 5 5 8 4 2 6 4 2 4 4 4 6 0 6 4 4 2 2 0 4 4 6 6 4 4 4 2 2 4 8 6 0 4 2 4 4 4 6 0 4 2 4 4

34920 58855 10236 29169 31885 39703 47569 25293 58887 39649 47603 64098 30394 36188 68775 52002 28489 53058 61334 57328 48106 9601 49593 54043 39302 35735 9015 36018 54006 61473 42709 57301 37834 60797 51332 16872 31851 62665 74831 43206 28767 30624 21327 48419 41439 22432 50305 26024 37305 38368 43207 44312

37 62 34 42 46 40 34 36 61 43 42 61 44 30 56 45 42 52 67 52 42 32 40 50 41 39 32 27 53 62 46 53 41 64 45 30 42 56 57 45 43 43 36 39 35 35 46 38 35 40 45 47

No No No Yes Yes No No No No No No No No No Yes No No No No Yes No Yes No No Yes No Yes Yes No No Yes No Yes No No Yes Yes No No No Yes No No No No Yes Yes No No No No Yes

0 6 6 4 4 2 4 6 4 4 4 4 4 0 0 3

21035 54247 48818 52090 40394 28350 31654 43347 56908 44500 46245 52515 46019 8700 28919 36533

35 50 37 40 41 40 40 47 57 48 51 49 47 25 40 34

Yes No Yes No No No No No Yes No Yes Yes No Yes No No

Key

Variable Definitions
Sale # Price Store Sell Time Manufacturer Salesperson USB Ports Processor Speed RAM Hard Drive Space Video RAM Customer Higher Education Customer Annual Income Customer Age Customer First Computer

Description
The number of the sale. The sale price of the computer system. The store location. The time (minutes) that it takes to sell the item to the customer. The manufacturer of the computer. The person who sold the computer. The number of USB ports on the computer. The speed of the CPU (ghz). The working memory of the computer (megabytes). The physical drive space (gigabytes). The working video memory(megabytes). The number of years of higher education of the purchaser. The annual household income of the purchaser (US dollars). The age of the purchaser (years) The computer purchased was their first one. (yes or no)

Quantitative Data Price Sell Time USB Ports Processor Speed RAM Hard Drive Space Video RAM Customer Higher Education Customer Annual Income Customer Age

Qualitative Data Store Manufacturer Salesperson Customer First Computer

Continuous Data Price Customer Age Customer Annual Income Sell Time RAM Video RAM Hard Drive Space Processor Speed

Discrete Data USB Ports Customer Higher Education

mean 1131 median 1133 mode 1183 range 375 standard deviation 68.9

1 Sale # 4 21 28 32 50 51 60 61 63 80 92 94 96 98 116 118 119 126 140 140 160 174 176 185 188 200 203 209 213 215

2 Price 1086 1079 1193 1183 1157 1196 1124 1248 1025 1190 1051 1309 1153 1155 1071 1244 1058 1206 1221 1221 1072 1029 1167 1206 1063 1030 1158 1131 934 1140

3 Store Downtown Downtown North North South South North South Downtown South North South South South North North North North South South South North Downtown South South Downtown South North Downtown South

4 Sell Time 30 25 20 20 15 35 20 20 20 30 20 5 30 35 20 10 30 15 15 15 30 20 20 20 25 20 35 30 20 20

5 Manufacturer Acer Hewlet Packard Compaq Acer Acer Hewlet Packard Hewlet Packard Hewlet Packard Gateway Hewlet Packard Compaq Hewlet Packard Acer Hewlet Packard Acer Hewlet Packard Compaq Compaq Hewlet Packard Hewlet Packard Acer Gateway Compaq Hewlet Packard Gateway Acer Acer Gateway Compaq Gateway

6 Salesperson Simon Isaac Norm Blake Ann Dominick Gerardo Ann Simon Dominick Blake Dominick Ralph Ann Kristof Blake Gerardo Blake Ann Ann Ralph Blake James Dominick Ralph James Ann Gerardo James Ralph

7 8 USB Ports Processor Speed 6 2.3 4 1.9 3 2.4 6 1.7 6 2.2 8 2.5 4 2 6 2.5 6 1.3 8 2.2 4 1.4 8 2.7 4 2.2 4 2.6 6 1.6 6 2 4 1.4 6 2.5 6 2.6 6 2.6 4 1.6 4 1.4 4 2.2 4 2.5 6 1.6 3 1.6 6 2.2 8 2 8 0.7 8 2

9 10 11 RAM Hard Drive Space Video RAM 256 110 64 512 90 32 2048 130 32 1024 120 64 1024 110 64 512 140 128 512 100 128 1024 70 256 128 100 16 512 130 64 512 150 16 2048 170 256 512 110 128 1024 110 128 512 80 64 512 70 32 128 90 32 512 140 64 1024 150 128 1024 150 128 512 80 32 256 100 8 1024 120 64 512 140 128 512 90 64 256 60 8 1024 100 64 512 120 128 128 30 8 1024 110 128

12 Customer Higher Education 8 3 6 6 6 6 6 0 0 8 2 8 0 4 4 5 0 4 8 8 4 2 4 4 0 0 4 4 0 3

13 Customer Annual Income 75994 33035 70667 57085 51928 62036 52894 34060 9000 68622 23608 80390 30050 50813 50541 72847 27886 62657 65845 65845 30394 9015 54006 62665 28767 21035 52090 44500 8700 36533

14 15 Customer Age Customer First Computer 57 No 42 Yes 57 No 55 Yes 48 No 63 No 50 No 33 No 24 No 45 No 38 No 55 Yes 40 No 40 No 48 No 56 No 39 No 45 No 62 No 62 No 44 No 32 Yes 53 No 56 No 43 Yes 35 Yes 40 No 48 No 25 Yes 34 No

mean 1137 median 1154 mode 1206 range 375 standard deviation 82.0

The center of the data set is around 1140. The most commnon price is 1221. The values span 375 dollars and the average distance away from the average is 82 dollars.

mean median mode range standard deviation

Sample 1131 1133 1183 375 68.89

Population 1137 1154 1221 375 81.97

The difference in the values is accounted for because of sampling. When you sample, you will get different numbers from the population because you don't have ALL the data points.

is of sampling. will get

u don't have

n x p

sample size number of Processor Speed > 2.0 proportion of Processor Speed > 2.0

30 15 50%

n x p

sample size number of Computer NOT Acer proportion of Computers NOT Acer

30 22 73%

Manufacturer Hewlet Packard Compaq Acer Gateway

Count 11 6 7 5

17% 24% 21%

38%

38%

Hewlet Packard Compaq Acer Gateway

min max

934 1309

Bin Name 900 to 950 950 to 1000 1000 to 1050 1050 to 1100 1100 to 1150 1150 to 1200 1200 to 1250 1250 to 1300 1300 to 1350

Lower Limit Upper Limit
900 950 1000 1050 1100 1150 1200 1250 1300 950 1000 1050 1100 1150 1200 1250 1300 1350

Width
50 50 50 50 50 50 50 50 50

Frequency
1 0 3 7 3 9 6 0 1

TOTAL

30

Histogram
10 9 8 7 6 Frequency 5 4 3 2 1 0 900 to 950 950 to 1000 1000 to 1050 1050 to 1100 1100 to 1150

Prices

togram

1100 to 1150

1150 to 1200

1200 to 1250

1250 to 1300

1300 to 1350

Prices

min max

5 35

Bin Name 5 to 10 10 to 15 15 to 20 20 to 25 25 to 30 30 to 35 35 to 40

Lower Limit Upper Limit Width Frequency
5 10 15 20 25 30 35 10 15 20 25 30 35 40 5 5 5 5 5 5 5 1 1 4 13 2 6 3

TOTAL

30

Histogram
14 12

10

8

Frequency
6

4

2

0 5 to 10 10 to 15 15 to 20 20 to 25

Sell Time

20 to 25

25 to 30

30 to 35

35 to 40

Sell Time

Histogram
10 8 6 Frequency 4 2 0 900 to 950 950 to 1000 1000 to 1050 to 1100 to 1150 to 1200 to 1250 to 1300 to 1050 1100 1150 1200 1250 1300 1350

Frequency

Prices

The Prices Histogram is bimoda The Sell Time Histogram is skew

Histogram
15 10

Frequency

5 0 5 to 10 10 to 15 15 to 20 20 to 25 25 to 30 30 to 35 35 to 40

Sell Time

is bimodal. ogram is skew left.

Price 1086 1079 1025 1167 1030 934 1193 1183 1124 1051 1071 1244 1058 1206 1029 1131 1157 1196 1248 1190 1309 1153 1155 1221 1221 1072 1206 1063 1158 1140

Store Downtown Downtown Downtown Downtown Downtown Downtown North North North North North North North North North North South South South South South South South South South South South South South South

Store Downtown North South

Average 1053.5 1129.0 1177.8

processor speed hard drive space RAM

standard deviation 0.5 30.9 477.5

Player 1 2 3 4 5 6 7 8 9 10 11 12

Height
63 65 65 66 66 67 67 70 70 70 89 94

Average Median Mode

71.00 67.00 70.00

Team 1
31 35 35 35 39 Mean Age Standard Deviation Age

Team 2
25 35 35 35 44

Team 3
21 35 35 35 49

35.00 3

34.80 6

35.00 9

Weight Range

Proportion

0 to 50 51 to 100 101 to 150 151 to 200 200+ mean goal

30% 15% 35% 12% 8% 137

Number 30 45 80 92 100

n mean

100 137

# 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51

Pounds 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 45 95 95 95 95 95 95 95 95 95 95 95 95 95 95 95 105 105 105 105 105 105

52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100

105 105 105 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 145 195 195 195 195 195 195 195 195 195 195 195 195 475 475 475 475 475 475 475 545