1.

Construct three histograms (using 5 to 7 cell intervals) to represent the three data sets below.

2.

Draw in the specification limits below.

Upper spec	11	7.66	0.56
Target	10.75	7.55	0.55
Lower spec	10.5	7.45	0.54

Histogram Analysis
Length	Width	Thickness
10.67	7.52	0.551
10.74	7.57	0.546
10.68	7.55	0.546
10.72	7.55	0.557
10.66	7.53	0.546
10.69	7.56	0.542
10.7	7.53	0.545
10.72	7.57	0.537
10.69	7.55	0.552
10.68	7.54	0.547
10.72	7.56	0.546
10.7	7.58	0.545
10.7	7.55	0.56
10.73	7.55	0.548
10.75	7.54	0.546
10.73	7.56	0.543
10.69	7.54	0.548
10.68	7.55	0.545
10.7	7.55	0.553
10.77	7.55	0.537
10.72	7.54	0.549
10.69	7.56	0.541
10.66	7.56	0.543
10.69	7.57	0.545
10.63	7.54	0.549
10.68	7.55	0.546
10.73	7.56	0.545
10.74	7.57	0.539
10.65	7.54	0.541
10.69	7.55	0.545
10.7	7.54	0.547
10.72	7.56	0.543
10.75	7.53	0.545
10.71	7.54	0.546
10.72	7.55	0.547