Bronson Clothing Manufacturing needs to identify the best fabric for production of the spring jacket in the clothing line. There are 3 fabrics that are evaluated using a rub testing procedure to determine durability of the fabric. There is not a preference for any of the three fabrics. Is there a significant difference among the three fabrics? Alpha is .05

Fabric A: 640, 500, 590, 630, 590, 710

Fabric B: 550, 640, 500, 510, 580, 470, 650

Fabric C: 700, 730, 680, 590, 690, 720, 670

Fabric Evaluation Ratings

Fabric A Fabric B Fabric C

640 550 700

500 640 730

590 500 680

630 510 590

590 580 690

710 470 720

650 670