Question: Production numbers for 2 shifts are shown. The shift supervisor of Shift 2 insists to the production manager that her operators are more productive than
Production numbers for 2 shifts are shown. The shift supervisor of Shift 2 insists to the production manager that her operators are more productive than the ones on Shift 1. Using a confidence level of 95%, do you think her claim is valid that Shift 2 is more productive than Shift 1? Use the t-test for unequal variances.
| Shift 1 | Shift 2 |
| 1514 | 1534 |
| 1516 | 1536 |
| 1524 | 1540 |
| 1530 | 1541 |
| 1557 | 1568 |
| 1563 | 1572 |
| 1565 | 1576 |
| 1594 | 1585 |
| 1613 | 1587 |
| 1620 | 1653 |
| 1644 | 1677 |
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