# Purpose: To determine the effect of machining factors on ceramic strength
# Response variable = mean (over 15 repetitions) of the ceramic strength
# Number of observations = 32 (a complete 25 factorial design)
# Response Variable Y = Mean (over 15 reps) of Ceramic Strength
# Factor 1 = Table Speed (2 levels: slow (.025 m/s) and fast (.125 m/s))
# Factor 2 = Down Feed Rate (2 levels: slow (.05 mm) and fast (.125 mm))
# Factor 3 = Wheel Grit (2 levels: 140/170 and 80/100)
# Factor 4 = Direction (2 levels: longitudinal and transverse)
# Factor 5 = Batch (2 levels: 1 and 2) 
speed	rate	grit	 direction	 batch	 strength	 order
-1	-1	-1	-1	-1	680.45	17
1	-1	-1	-1	-1	722.48	30
-1	1	-1	-1	-1	702.14	14
1	1	-1	-1	-1	666.93	8
-1	-1	1	-1	-1	703.67	32
1	-1	1	-1	-1	642.14	20
-1	1	1	-1	-1	692.98	26
1	1	1	-1	-1	669.26	24
-1	-1	-1	1	-1	491.58	10
1	-1	-1	1	-1	475.52	16
-1	1	-1	1	-1	478.76	27
1	1	-1	1	-1	568.23	18
-1	-1	1	1	-1	444.72	3
1	-1	1	1	-1	410.37	19
-1	1	1	1	-1	428.51	31
1	1	1	1	-1	491.47	15
-1	-1	-1	-1	1	607.34	12
1	-1	-1	-1	1	620.8	1
-1	1	-1	-1	1	610.55	4
1	1	-1	-1	1	638.04	23
-1	-1	1	-1	1	585.19	2
1	-1	1	-1	1	586.17	28
-1	1	1	-1	1	601.67	11
1	1	1	-1	1	608.31	9
-1	-1	-1	1	1	442.9	25
1	-1	-1	1	1	434.41	21
-1	1	-1	1	1	417.66	6
1	1	-1	1	1	510.84	7
-1	-1	1	1	1	392.11	5
1	-1	1	1	1	343.22	13
-1	1	1	1	1	385.52	22
1	1	1	1	1	446.73	29