* Refractory Bricks Hardness; data bricks; label time = 'Time the Bricks are Heated in the Kiln(in hours)' temp = 'Temperature of the Kiln(in F)' rep = 'Replicate Number' mor = 'Modulus of Rupture in psi'; id time temp rep mor --------------------------------- 1 23 2365 1 650 2 23 2365 2 655 3 23 2365 3 651 4 23 2365 4 659 5 23 2370 1 680 6 23 2370 2 685 7 23 2370 3 679 8 23 2370 4 674 9 23 2375 1 683 10 23 2375 2 684 11 23 2375 3 684 12 23 2375 4 681 13 24 2365 1 620 14 24 2365 2 626 15 24 2365 3 627 16 24 2365 4 630 17 24 2370 1 770 18 24 2370 2 793 19 24 2370 3 792 20 24 2370 4 771 21 24 2375 1 699 22 24 2375 2 703 23 24 2375 3 711 24 24 2375 4 713 25 25 2365 1 707 26 25 2365 2 718 27 25 2365 3 710 28 25 2365 4 693 29 25 2370 1 754 30 25 2370 2 764 31 25 2370 3 785 32 25 2370 4 776 33 25 2375 1 729 34 25 2375 2 736 35 25 2375 3 707 36 25 2375 4 709