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Question 1 Dataset, creditpromo: An analyst at a retail department store wants to evaluate a recent credit card promotion. To this end, 500 cardholders were
Question 1 Dataset, creditpromo:
An analyst at a retail department store wants to evaluate a recent credit card promotion. To this end, 500 cardholders were randomly selected. Half received an ad promoting a reduced interest rate on purchases make over the next three months, and half received a standard seasonal ad.
Dataset coding: id= Customer ID insert = type of promotion received. 0 = standard seasonal ad, 1 = reduced interest rate ad dollars = amount spent during promotional period. For example - Customer with ID 572 spent $ 1403,81 over the 3 month period of the promotion.
Question: Using SPSS software and the appropriate statistical test, is there a significant difference between the spending patterns between the two groups
| id | insert | dollars |
| 148 | 0 | 2232.77 |
| 572 | 1 | 1403.81 |
| 973 | 0 | 2327.09 |
| 1096 | 0 | 1280.03 |
| 1541 | 1 | 1513.56 |
| 1947 | 1 | 1729.63 |
| 2001 | 1 | 1609.71 |
| 2130 | 0 | 1476.62 |
| 2616 | 0 | 1460.77 |
| 2886 | 1 | 1854.49 |
| 3340 | 0 | 1495.29 |
| 3400 | 1 | 1107.21 |
| 3539 | 0 | 1949.59 |
| 3730 | 1 | 2144.65 |
| 3906 | 1 | 784.08 |
| 3924 | 1 | 1409.66 |
| 3962 | 0 | 1856.95 |
| 4465 | 1 | 2226.12 |
| 4900 | 0 | 1470.68 |
| 5126 | 0 | 1567.24 |
| 5731 | 0 | 1627.40 |
| 5945 | 1 | 1869.39 |
| 6362 | 1 | 1629.10 |
| 6486 | 1 | 2006.78 |
| 6501 | 1 | 2096.78 |
| 6651 | 1 | 1445.53 |
| 6802 | 1 | 1887.14 |
| 7294 | 0 | 1903.64 |
| 7355 | 0 | 1696.94 |
| 7659 | 1 | 1644.57 |
| 7820 | 0 | 1334.26 |
| 8113 | 1 | 1668.49 |
| 8213 | 1 | 1154.14 |
| 9586 | 1 | 1856.25 |
| 9864 | 1 | 1612.23 |
| 9917 | 1 | 1655.10 |
| 11365 | 0 | 2032.94 |
| 11702 | 1 | 1555.94 |
| 11759 | 1 | 1761.03 |
| 12207 | 0 | 1766.63 |
| 12363 | 1 | 1835.17 |
| 12494 | 0 | 1987.13 |
| 13387 | 1 | 1251.48 |
| 13960 | 0 | 1876.32 |
| 14351 | 1 | 1647.97 |
| 14635 | 0 | 1364.74 |
| 15336 | 1 | 1988.14 |
| 15520 | 1 | 1969.48 |
| 15694 | 1 | 2334.90 |
| 15768 | 1 | 1093.11 |
| 15841 | 0 | 1479.35 |
| 16334 | 1 | 1503.77 |
| 16568 | 0 | 1775.44 |
| 16796 | 0 | 1107.79 |
| 16970 | 0 | 2149.39 |
| 17036 | 1 | 1248.61 |
| 17086 | 1 | 788.06 |
| 17205 | 0 | 1334.18 |
| 17545 | 1 | 1932.53 |
| 17550 | 0 | 1084.51 |
| 17686 | 1 | 1531.88 |
| 17867 | 1 | 1425.07 |
| 17884 | 1 | 1872.12 |
| 18382 | 0 | 2149.71 |
| 18610 | 0 | 806.04 |
| 19586 | 1 | 1283.32 |
| 20766 | 0 | 1564.83 |
| 21069 | 0 | 1615.41 |
| 21162 | 1 | 1668.66 |
| 21316 | 1 | 1493.32 |
| 21411 | 0 | 844.37 |
| 21802 | 0 | 1563.50 |
| 21847 | 0 | 1442.46 |
| 21999 | 1 | 961.97 |
| 22183 | 0 | 1147.48 |
| 22318 | 1 | 1724.96 |
| 22454 | 0 | 1521.44 |
| 22681 | 1 | 1742.34 |
| 22702 | 1 | 1317.36 |
| 22797 | 0 | 1526.62 |
| 22825 | 0 | 1369.44 |
| 23058 | 1 | 926.66 |
| 23187 | 0 | 1058.08 |
| 23226 | 0 | 1272.34 |
| 23529 | 1 | 1657.76 |
| 23583 | 1 | 1702.68 |
| 24926 | 1 | 1857.50 |
| 25202 | 1 | 1197.32 |
| 25427 | 0 | 1326.16 |
| 26275 | 0 | 1794.50 |
| 26527 | 1 | 1186.31 |
| 26745 | 0 | 1245.85 |
| 27401 | 1 | 1301.35 |
| 27849 | 1 | 2180.45 |
| 27902 | 0 | 1539.83 |
| 28646 | 1 | 2152.12 |
| 29450 | 1 | 1558.75 |
| 29861 | 1 | 1024.06 |
| 29976 | 1 | 1818.90 |
| 29995 | 0 | 1809.45 |
| 30254 | 0 | 2112.64 |
| 30370 | 1 | 1949.54 |
| 30676 | 1 | 1921.23 |
| 30728 | 1 | 1293.02 |
| 30744 | 0 | 2111.49 |
| 31512 | 0 | 1537.36 |
| 31581 | 1 | 1496.17 |
| 32240 | 0 | 1114.43 |
| 32311 | 1 | 1020.85 |
| 32433 | 1 | 1335.42 |
| 32841 | 0 | 1512.02 |
| 32920 | 0 | 1718.49 |
| 32961 | 0 | 1415.53 |
| 33069 | 1 | 1705.88 |
| 33323 | 0 | 1431.91 |
| 33386 | 0 | 1596.86 |
| 33433 | 0 | 1161.08 |
| 33523 | 1 | 1993.31 |
| 33925 | 1 | 1331.24 |
| 33958 | 1 | 1801.60 |
| 34221 | 1 | 1920.18 |
| 34458 | 0 | 1878.37 |
| 34556 | 1 | 2154.47 |
| 34606 | 0 | 1521.88 |
| 34659 | 1 | 2182.23 |
| 34739 | 0 | 1405.70 |
| 35113 | 1 | 1293.09 |
| 35295 | 0 | 1813.78 |
| 35735 | 1 | 2021.11 |
| 36018 | 0 | 1892.45 |
| 36083 | 1 | 1722.57 |
| 36476 | 1 | 1709.16 |
| 37369 | 0 | 1948.88 |
| 37732 | 0 | 1417.59 |
| 37767 | 0 | 2174.24 |
| 38195 | 1 | 1229.06 |
| 38359 | 1 | 1257.92 |
| 38535 | 0 | 1670.26 |
| 38746 | 0 | 1676.36 |
| 39105 | 0 | 1489.34 |
| 39155 | 1 | 1751.57 |
| 39171 | 0 | 1501.17 |
| 39501 | 0 | 1505.67 |
| 39744 | 1 | 1635.82 |
| 39838 | 0 | 1375.44 |
| 39856 | 0 | 1360.23 |
| 40132 | 1 | 1500.69 |
| 40233 | 1 | 1294.39 |
| 40501 | 0 | 2251.41 |
| 40857 | 0 | 1427.76 |
| 41045 | 0 | 911.47 |
| 41095 | 1 | 1297.83 |
| 41140 | 1 | 2054.84 |
| 41370 | 1 | 1337.27 |
| 41489 | 0 | 1416.50 |
| 41955 | 1 | 1470.23 |
| 41974 | 1 | 1664.40 |
| 42254 | 0 | 1549.88 |
| 42459 | 0 | 1707.59 |
| 42507 | 0 | 1662.75 |
| 42620 | 1 | 1733.25 |
| 42782 | 1 | 2236.35 |
| 42978 | 0 | 1211.93 |
| 43681 | 0 | 1268.61 |
| 43788 | 0 | 1881.39 |
| 44295 | 1 | 1543.24 |
| 44621 | 0 | 1468.52 |
| 44649 | 1 | 1430.57 |
| 44662 | 0 | 1962.03 |
| 45790 | 0 | 1304.11 |
| 45853 | 0 | 1587.83 |
| 45888 | 1 | 2181.44 |
| 46212 | 1 | 1481.03 |
| 46281 | 1 | 1703.43 |
| 46402 | 1 | 1770.78 |
| 46465 | 1 | 1738.04 |
| 46886 | 1 | 2250.77 |
| 47037 | 0 | 1228.80 |
| 47093 | 1 | 1773.03 |
| 47183 | 0 | 1468.81 |
| 47321 | 0 | 1777.90 |
| 47874 | 1 | 1447.59 |
| 47875 | 0 | 1938.57 |
| 48051 | 0 | 1815.76 |
| 48311 | 0 | 1339.15 |
| 48693 | 1 | 1920.90 |
| 48717 | 1 | 1142.48 |
| 48799 | 0 | 1422.44 |
| 49290 | 0 | 1278.97 |
| 49678 | 0 | 1212.80 |
| 49698 | 1 | 1629.81 |
| 50933 | 0 | 728.51 |
| 51000 | 1 | 1320.96 |
| 51022 | 0 | 1932.99 |
| 51565 | 0 | 1828.80 |
| 52235 | 0 | 1332.03 |
| 52309 | 1 | 1875.82 |
| 52670 | 0 | 1501.18 |
| 52791 | 0 | 1214.45 |
| 53180 | 0 | 1220.74 |
| 53302 | 0 | 1699.01 |
| 53357 | 1 | 1980.03 |
| 53421 | 0 | 1490.75 |
| 53502 | 1 | 1566.06 |
| 54285 | 0 | 1649.00 |
| 54451 | 0 | 1971.75 |
| 54867 | 1 | 2191.42 |
| 54896 | 0 | 1427.82 |
| 55106 | 0 | 848.28 |
| 55360 | 1 | 1784.32 |
| 55518 | 0 | 1279.06 |
| 55607 | 1 | 2160.95 |
| 55974 | 1 | 1590.90 |
| 56231 | 1 | 1417.74 |
| 56240 | 1 | 2030.03 |
| 56390 | 1 | 1675.38 |
| 56487 | 0 | 2713.03 |
| 56662 | 1 | 1323.77 |
| 56721 | 0 | 961.42 |
| 56830 | 1 | 1878.10 |
| 57507 | 1 | 1540.17 |
| 58412 | 0 | 1993.07 |
| 58440 | 0 | 1398.32 |
| 58563 | 1 | 1837.06 |
| 58636 | 0 | 1606.41 |
| 58768 | 0 | 1585.94 |
| 58900 | 1 | 2000.09 |
| 58967 | 1 | 1234.67 |
| 58968 | 0 | 1364.47 |
| 59298 | 1 | 1254.65 |
| 59605 | 1 | 1450.44 |
| 59886 | 0 | 1576.19 |
| 60038 | 0 | 1629.78 |
| 60156 | 1 | 1424.09 |
| 60236 | 0 | 1633.90 |
| 60561 | 0 | 1645.33 |
| 60672 | 1 | 1761.52 |
| 60812 | 0 | 1286.85 |
| 60850 | 1 | 1111.60 |
| 60865 | 0 | 1979.73 |
| 60926 | 0 | 1260.41 |
| 60999 | 1 | 1006.98 |
| 61050 | 1 | 1158.30 |
| 61393 | 0 | 1514.50 |
| 61463 | 0 | 894.49 |
| 62278 | 1 | 993.07 |
| 62296 | 1 | 1694.11 |
| 62406 | 1 | 1861.46 |
| 62504 | 1 | 1469.62 |
| 62902 | 0 | 1859.85 |
| 63353 | 1 | 1897.26 |
| 63383 | 1 | 1414.65 |
| 63540 | 0 | 1058.08 |
| 63583 | 1 | 1329.25 |
| 63762 | 1 | 1602.95 |
| 64012 | 0 | 1569.37 |
| 64737 | 1 | 1524.03 |
| 65796 | 0 | 1484.28 |
| 66477 | 1 | 1331.73 |
| 66949 | 0 | 1896.84 |
| 67033 | 1 | 1817.07 |
| 67037 | 1 | 1805.13 |
| 67532 | 0 | 1495.25 |
| 68290 | 0 | 1613.22 |
| 68633 | 0 | 1488.59 |
| 68675 | 1 | 1574.02 |
| 68778 | 1 | 1669.04 |
| 69155 | 1 | 1971.90 |
| 69207 | 0 | 1253.23 |
| 69223 | 1 | 1389.08 |
| 69283 | 1 | 2002.44 |
| 69393 | 0 | 1167.36 |
| 69809 | 0 | 1530.05 |
| 70293 | 1 | 1674.47 |
| 70377 | 1 | 1648.67 |
| 70777 | 0 | 1931.86 |
| 70852 | 0 | 1902.03 |
| 71148 | 1 | 1667.42 |
| 71331 | 1 | 1518.70 |
| 71384 | 0 | 544.60 |
| 72011 | 1 | 1510.89 |
| 72101 | 1 | 1418.02 |
| 72818 | 0 | 1681.54 |
| 73729 | 0 | 2273.88 |
| 73749 | 0 | 2001.30 |
| 74743 | 1 | 1304.87 |
| 74807 | 1 | 1138.33 |
| 75112 | 0 | 1877.69 |
| 75479 | 0 | 1603.34 |
| 75496 | 0 | 2210.43 |
| 75865 | 0 | 1620.34 |
| 76244 | 1 | 2204.63 |
| 76656 | 1 | 1730.41 |
| 76754 | 0 | 1630.01 |
| 77389 | 1 | 947.66 |
| 77881 | 1 | 1516.43 |
| 78180 | 0 | 1529.85 |
| 78520 | 1 | 1609.69 |
| 79386 | 1 | 918.35 |
| 79647 | 0 | 1807.75 |
| 79723 | 0 | 1639.77 |
| 79945 | 1 | 1989.10 |
| 80037 | 1 | 1808.38 |
| 80345 | 1 | 1153.75 |
| 80855 | 0 | 810.80 |
| 81231 | 1 | 1745.64 |
| 81304 | 1 | 1008.24 |
| 81647 | 0 | 1409.09 |
| 81659 | 0 | 1831.91 |
| 81805 | 1 | 2228.05 |
| 82140 | 0 | 1634.69 |
| 82412 | 1 | 2138.00 |
| 82828 | 1 | 763.10 |
| 84242 | 1 | 1598.52 |
| 84456 | 0 | 2047.49 |
| 84634 | 0 | 1685.44 |
| 85074 | 1 | 1695.36 |
| 85100 | 1 | 745.65 |
| 85775 | 0 | 1840.55 |
| 86204 | 0 | 1603.48 |
| 86317 | 0 | 1475.98 |
| 86911 | 0 | 1272.25 |
| 87488 | 0 | 1250.38 |
| 87636 | 0 | 1474.78 |
| 87695 | 1 | 2158.61 |
| 88480 | 0 | 2064.89 |
| 88515 | 0 | 2030.87 |
| 88541 | 0 | 1214.56 |
| 88601 | 1 | 1540.81 |
| 89927 | 0 | 1712.73 |
| 90075 | 1 | 2315.43 |
| 90169 | 0 | 1034.58 |
| 90219 | 0 | 1451.89 |
| 90396 | 1 | 1873.21 |
| 91195 | 1 | 1645.40 |
| 91294 | 0 | 1623.61 |
| 91462 | 1 | 895.71 |
| 91806 | 0 | 2001.77 |
| 92146 | 1 | 1020.24 |
| 92214 | 0 | 1566.88 |
| 92499 | 0 | 1414.09 |
| 92631 | 0 | 1448.89 |
| 92795 | 1 | 1770.02 |
| 92851 | 1 | 2191.50 |
| 93070 | 1 | 1778.76 |
| 93113 | 0 | 2200.87 |
| 93205 | 0 | 1587.34 |
| 93241 | 1 | 1201.46 |
| 94014 | 1 | 1781.39 |
| 94394 | 1 | 1562.01 |
| 94751 | 1 | 2048.84 |
| 94977 | 0 | 1121.07 |
| 95331 | 1 | 2444.14 |
| 95552 | 0 | 1252.98 |
| 95899 | 1 | 1584.14 |
| 96063 | 0 | 1736.85 |
| 96185 | 1 | 1552.17 |
| 96308 | 0 | 1692.66 |
| 96353 | 0 | 1422.01 |
| 96379 | 1 | 1975.27 |
| 97355 | 0 | 1407.98 |
| 97990 | 1 | 1406.47 |
| 98218 | 0 | 1927.35 |
| 98249 | 0 | 1660.04 |
| 98865 | 0 | 1629.30 |
| 98882 | 1 | 1443.45 |
| 99250 | 1 | 2074.11 |
| 99526 | 1 | 1739.01 |
| 100164 | 0 | 1140.48 |
| 100359 | 0 | 1715.45 |
| 100996 | 0 | 1567.94 |
| 101160 | 0 | 1467.43 |
| 101320 | 0 | 1713.91 |
| 101492 | 0 | 770.01 |
| 102034 | 1 | 2138.09 |
| 103208 | 0 | 1791.74 |
| 103878 | 1 | 1960.25 |
| 103952 | 1 | 2080.13 |
| 104019 | 1 | 1913.88 |
| 104302 | 0 | 1426.91 |
| 104396 | 1 | 1101.54 |
| 104503 | 0 | 1201.10 |
| 104546 | 1 | 1358.64 |
| 104566 | 1 | 1666.15 |
| 104589 | 0 | 2007.40 |
| 104913 | 0 | 1256.19 |
| 105338 | 0 | 1689.85 |
| 105360 | 1 | 1585.55 |
| 105508 | 1 | 860.14 |
| 105644 | 0 | 1603.74 |
| 105652 | 1 | 1736.46 |
| 105912 | 0 | 1711.35 |
| 106118 | 0 | 1634.60 |
| 106170 | 1 | 1831.88 |
| 106180 | 1 | 1520.60 |
| 106544 | 0 | 1279.00 |
| 107260 | 0 | 817.89 |
| 107262 | 1 | 2166.18 |
| 107400 | 0 | 2303.63 |
| 107563 | 0 | 1109.49 |
| 108107 | 1 | 1712.42 |
| 108368 | 1 | 2139.89 |
| 108615 | 1 | 1390.34 |
| 108806 | 0 | 2122.55 |
| 108846 | 1 | 1576.91 |
| 109555 | 0 | 2072.08 |
| 109862 | 0 | 1414.35 |
| 109959 | 1 | 2018.59 |
| 110067 | 0 | 1690.10 |
| 110557 | 1 | 2179.41 |
| 111467 | 1 | 1357.85 |
| 111587 | 0 | 1471.37 |
| 112265 | 1 | 1767.50 |
| 112367 | 1 | 2015.52 |
| 112481 | 1 | 1834.73 |
| 112539 | 1 | 1925.47 |
| 112620 | 0 | 1857.23 |
| 113027 | 0 | 1061.71 |
| 113120 | 1 | 1788.29 |
| 113396 | 1 | 1531.29 |
| 113586 | 1 | 1701.31 |
| 113684 | 1 | 1929.75 |
| 113910 | 0 | 1484.09 |
| 114128 | 1 | 1280.42 |
| 114282 | 1 | 1498.08 |
| 114347 | 0 | 1627.78 |
| 114874 | 0 | 1718.79 |
| 115318 | 0 | 875.56 |
| 115409 | 0 | 1790.24 |
| 115537 | 0 | 1386.57 |
| 116086 | 0 | 1560.18 |
| 116121 | 1 | 1049.52 |
| 116182 | 0 | 1770.95 |
| 116479 | 1 | 1917.89 |
| 117191 | 1 | 1820.73 |
| 117444 | 1 | 1579.87 |
| 117456 | 0 | 1693.09 |
| 117654 | 1 | 1741.37 |
| 118011 | 0 | 1563.58 |
| 118083 | 1 | 1345.80 |
| 118397 | 0 | 1528.00 |
| 118404 | 0 | 1225.97 |
| 118515 | 1 | 2019.61 |
| 118649 | 1 | 1429.15 |
| 119217 | 0 | 1369.19 |
| 119391 | 0 | 2214.43 |
| 119535 | 0 | 1596.62 |
| 119716 | 1 | 1829.79 |
| 119736 | 1 | 1938.81 |
| 120856 | 0 | 1182.48 |
| 121130 | 0 | 1325.24 |
| 121254 | 0 | 1464.76 |
| 121363 | 1 | 1406.31 |
| 121566 | 1 | 1810.80 |
| 121611 | 0 | 2354.06 |
| 121622 | 1 | 1442.19 |
| 122076 | 1 | 1837.92 |
| 122265 | 0 | 1782.73 |
| 122331 | 1 | 1451.36 |
| 122401 | 0 | 1732.61 |
| 122843 | 0 | 967.52 |
| 122908 | 1 | 1686.29 |
| 122966 | 0 | 1893.02 |
| 123085 | 1 | 2196.83 |
| 123513 | 0 | 1448.63 |
| 123593 | 0 | 1846.56 |
| 123824 | 0 | 1443.14 |
| 124029 | 1 | 1500.23 |
| 124129 | 0 | 1931.17 |
| 124138 | 1 | 1578.46 |
| 124247 | 0 | 1279.99 |
| 124444 | 0 | 1441.89 |
| 124463 | 1 | 2637.88 |
| 124573 | 0 | 1171.05 |
| 124783 | 0 | 1119.82 |
| 124795 | 0 | 1544.84 |
| 125058 | 1 | 2007.31 |
| 125105 | 0 | 2711.72 |
| 125416 | 0 | 1624.64 |
| 125716 | 1 | 1892.60 |
| 126180 | 1 | 1768.34 |
| 126217 | 1 | 1384.10 |
| 126362 | 0 | 1501.74 |
| 126552 | 0 | 1534.79 |
| 126831 | 0 | 1459.86 |
| 127429 | 1 | 1612.07 |
| 127535 | 1 | 1399.90 |
| 127695 | 0 | 1577.33 |
| 128093 | 0 | 2158.36 |
| 128225 | 1 | 1016.13 |
| 128993 | 0 | 1336.52 |
| 129531 | 1 | 2227.46 |
| 129634 | 1 | 2007.54 |
| 129779 | 0 | 1330.23 |
| 130128 | 1 | 2000.05 |
| 130163 | 1 | 1513.06 |
| 130204 | 1 | 1020.76 |
| 130255 | 0 | 1919.86 |
| 130583 | 0 | 1863.01 |
| 130682 | 0 | 1295.01 |
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Calculus
Authors: Howard Anton, Irl C Bivens, Stephen Davis
10th Edition
1118404009, 9781118404003
