1. Studi kasus nilai tukar rupiah terhadap dolar US. Data yang diamati selama satu tahun,

mulai tanggal 1 Mei 2011 sampai dengan 1 Mei 2012. Data diperoleh dari

http://www.bi.go.id.

Tabel. Data Kurs Rupiah terhadap Dollar

No Kurs Tanggal1 8508 05/02/112 8511 05/03/113 8516 05/04/114 8523 05/05/115 8534 05/06/116 8505 05/09/117 8510 05/10/118 8503 05/11/119 8493 05/12/1110 8512 05/13/1111 8510 05/18/1112 8501 05/19/1113 8492 05/20/1114 8518 05/23/1115 8525 05/24/1116 8541 05/25/1117 8533 05/26/1118 8522 05/27/1119 8505 05/30/1120 8494 05/31/1121 8497 06/01/1122 8494 06/03/1123 8463 06/06/1124 8486 06/07/1125 8478 06/08/1126 8480 06/09/1127 8475 06/10/1128 8488 06/13/1129 8495 06/14/1130 8492 06/15/1131 8541 06/16/1132 8552 06/17/1133 8535 06/20/1134 8560 06/21/1135 8557 06/22/1136 8558 06/23/1137 8559 06/24/1138 8576 06/27/1139 8580 06/28/11

40 8554 06/30/1141 8520 07/01/1142 8479 07/04/1143 8497 07/05/1144 8489 07/06/1145 8492 07/07/1146 8481 07/08/1147 8479 07/11/1148 8506 07/12/1149 8519 07/13/1150 8495 07/14/1151 8494 07/15/1152 8512 07/18/1153 8515 07/19/1154 8497 07/20/1155 8496 07/21/1156 8484 07/22/1157 8485 07/25/1158 8478 07/26/1159 8447 07/27/1160 8466 07/28/1161 8465 07/29/1162 8439 08/01/1163 8418 08/02/1164 8445 08/03/1165 8441 08/04/1166 8495 08/05/1167 8490 08/08/1168 8512 08/09/1169 8487 08/10/1170 8502 08/11/1171 8498 08/12/1172 8498 08/15/1173 8483 08/16/1174 8490 08/18/1175 8515 08/19/1176 8509 08/22/1177 8501 08/23/1178 8503 08/24/1179 8534 08/25/1180 8535 08/26/1181 8496 09/05/1182 8530 09/06/1183 8531 09/07/1184 8528 09/08/1185 8528 09/09/1186 8560 09/12/1187 8579 09/13/1188 8686 09/14/1189 8715 09/15/11

90 8728 09/16/1191 8761 09/19/1192 8935 09/20/1193 8831 09/21/1194 8943 09/22/1195 8691 09/23/1196 8930 09/26/1197 8870 09/27/1198 8930 09/28/1199 8880 09/29/11100 8779 09/30/11101 8880 10/03/11102 8915 10/04/11103 8895 10/05/11104 8880 10/06/11105 8923 10/07/11106 8910 10/10/11107 8895 10/11/11108 8900 10/12/11109 8865 10/13/11110 8849 10/14/11111 8801 10/17/11112 8816 10/18/11113 8811 10/19/11114 8796 10/20/11115 8824 10/21/11116 8839 10/24/11117 8821 10/25/11118 8826 10/26/11119 8846 10/27/11120 8784 10/28/11121 8791 10/31/11122 8849 11/01/11123 8930 11/02/11124 8938 11/03/11125 8917 11/04/11126 8895 11/07/11127 8888 11/08/11128 8851 11/09/11129 8930 11/10/11130 8960 11/11/11131 8910 11/14/11132 8950 11/15/11133 8985 11/16/11134 8995 11/17/11135 9010 11/18/11136 9025 11/21/11137 8990 11/22/11138 8990 11/23/11139 9053 11/24/11

140 8960 11/25/11141 9054 11/28/11142 9139 11/29/11143 9124 11/30/11144 9040 12/01/11145 9057 12/02/11146 9020 12/05/11147 9038 12/06/11148 9038 12/07/11149 9040 12/08/11150 8995 12/09/11151 9040 12/12/11152 9045 12/13/11153 9045 12/14/11154 9089 12/15/11155 8990 12/16/11156 9043 12/19/11157 9069 12/20/11158 9059 12/21/11159 9028 12/22/11160 8970 12/23/11161 9045 12/27/11162 9119 12/28/11163 9114 12/29/11164 9023 12/30/11165 9079 01/02/12166 9114 01/03/12167 9134 01/04/12168 9117 01/05/12169 9114 01/06/12170 9142 01/09/12171 9144 01/10/12172 9154 01/11/12173 9164 01/12/12174 9134 01/13/12175 9129 01/16/12176 9162 01/17/12177 9114 01/18/12178 9030 01/19/12179 8910 01/20/12180 8940 01/24/12181 8973 01/25/12182 8950 01/26/12183 8935 01/27/12184 8940 01/30/12185 8955 01/31/12186 8977 02/01/12187 8848 02/02/12188 8950 02/03/12189 8943 02/06/12

190 8953 02/07/12191 8943 02/08/12192 8865 02/09/12193 8948 02/10/12194 8978 02/13/12195 8992 02/14/12196 8995 02/15/12197 8950 02/16/12198 8983 02/17/12199 8990 02/20/12200 9000 02/21/12201 9014 02/22/12202 9025 02/23/12203 9025 02/24/12204 9064 02/27/12205 9112 02/28/12206 9040 02/29/12207 9053 03/01/12208 9062 03/02/12209 9084 03/05/12210 9117 03/06/12211 9144 03/07/12212 9117 03/08/12213 9087 03/09/12214 9114 03/12/12215 9119 03/13/12216 9147 03/14/12217 9147 03/15/12218 9132 03/16/12219 9122 03/19/12220 9114 03/20/12221 9134 03/21/12222 9127 03/22/12223 9135 03/26/12224 9142 03/27/12225 9134 03/28/12226 9142 03/29/12227 9134 03/30/12228 9117 04/02/12229 9099 04/03/12230 9112 04/04/12231 9113 04/05/12232 9122 04/09/12233 9119 04/10/12234 9124 04/11/12235 9127 04/12/12236 9128 04/13/12237 9127 04/16/12238 9132 04/17/12239 9131 04/18/12

240 9136 04/19/12241 9138 04/20/12242 9138 04/23/12243 9147 04/24/12244 9148 04/25/12245 9144 04/26/12246 9144 04/27/12247 9144 04/30/12248 9147 05/01/12