Choose one of your datasets, clearly label the explanatory variable
datasets.xlsx
Sheet1
| 1925 | 1997 | ||
| Age, years | Mean daily caloric intake, kCal | Age, years | Mean daily caloric intake, kCal |
| 1 | 1552 | 1 | 1505 |
| 2 | 1420 | 2 | 2408 |
| 3 | 1427 | 3 | 2037 |
| 4 | 1864 | 4 | 2311 |
| 5 | 1589 | 5 | 1534 |
| 6 | 1083 | 6 | 2081 |
| 7 | 1380 | 7 | 2488 |
| 8 | 1421 | 8 | 1665 |
| 9 | 1078 | 9 | 2167 |
| 10 | 1309 | 10 | 1961 |
| 11 | 1381 | 11 | 2333 |
| 12 | 1928 | 12 | 2127 |
| 13 | 1627 | 13 | 2211 |
| 14 | 1531 | 14 | 1881 |
| 15 | 1101 | 15 | 1995 |
| 16 | 1286 | 16 | 1508 |
| 17 | 1278 | 17 | 2155 |
| 18 | 1986 | 18 | 1573 |
| 19 | 1454 | 19 | 1693 |
| 20 | 1612 | 20 | 2452 |
| 21 | 1637 | 21 | 1661 |
| 22 | 1011 | 22 | 1710 |
| 23 | 1751 | 23 | 1526 |
| 24 | 1143 | 24 | 1887 |
| 25 | 1904 | 25 | 2024 |
| 26 | 1479 | 26 | 2446 |
| 27 | 1163 | 27 | 2111 |
| 28 | 1388 | 28 | 1797 |
| 29 | 1487 | 29 | 1677 |
| 30 | 1762 | 30 | 1802 |
| 31 | 1040 | 31 | 2004 |
| 32 | 1996 | 32 | 1958 |
| 33 | 1991 | 33 | 1970 |
| 34 | 1398 | 34 | 1559 |
| 35 | 1319 | 35 | 1632 |
| 36 | 1385 | 36 | 1690 |
| 37 | 1484 | 37 | 2432 |
| 38 | 1005 | 38 | 1736 |
| 39 | 1964 | 39 | 2295 |
| 40 | 1498 | 40 | 1585 |
| 41 | 1203 | 41 | 2209 |
| 42 | 1648 | 42 | 2093 |
| 43 | 1661 | 43 | 2048 |
| 44 | 1206 | 44 | 2096 |
| 45 | 1848 | 45 | 2372 |
| 46 | 1869 | 46 | 1840 |
| 47 | 1059 | 47 | 1643 |
| 48 | 1147 | 48 | 2030 |
| 49 | 1695 | 49 | 2473 |
| 50 | 1359 | 50 | 1714 |