Case Study: Understanding Process Measurement Variation

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Week4CaseStudyDataExample.xlsx
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Data Set Method 1-Yardstick

Entries Inches Feet
1 77 Convert inches to feet Create Run Chart
2 75 1foot =12 inches
3 67.5
4 59.5
5 66
6 66
7 72
8 70.7
9 72
10 80
11 79
12 77
13 75
14 72
15 72
16 77
17 75
18 69
19 70.5
20 70.5
Average
Standard Deviation

Data Set Method 2-Tape Measure

Entries Inches Feet
1 70 Convert inches to feet Create Run Chart
2 70 1foot =12 inches
3 77
4 72
5 72
6 72
7 70
8 72
9 72
10 72
11 73
12 72
13 72
14 72
15 72
16 70
17 70
18 72
19 72
20 72
Average
Standard Deviation