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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