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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
Valtec Electronics fills orders for its electronic components and parts by truck to customers through several distribution centers. A measure of its supply chain responsiveness is order fulfillment lead time, which is the number of days from when a company receives an order to when it is delivered to the customer. A distribution center manager has taken 20 samples of 5 orders each during the month and recorded the lead time for each as follows:
Samples |
Load Time (Days) |
||||
1 |
1.3 |
2.4 |
0.7 |
3.0 |
1.8 |
2 |
2.1 |
1.2 |
1.0 |
2.5 |
3.6 |
3 |
4.2 |
3.3 |
2.6 |
1.5 |
3.0 |
4 |
1.6 |
2.1 |
2.8 |
0.9 |
1.5 |
5 |
2.6 |
3.0 |
1.4 |
4.6 |
1.9 |
6 |
0.8 |
2.7 |
5.8 |
3.7 |
4.5 |
7 |
2.6 |
3.5 |
3.1 |
3.6 |
1.4 |
8 |
3.4 |
6.1 |
1.5 |
2.5 |
2.8 |
9 |
3.1 |
2.5 |
2.2 |
2.9 |
1.8 |
10 |
2.4 |
4.8 |
5.9 |
3.2 |
4.4 |
11 |
1.9 |
2.7 |
3.4 |
2.2 |
0.4 |
12 |
6.1 |
4.9 |
2.1 |
3.6 |
5.2 |
13 |
1.2 |
3.4 |
2.8 |
2.3 |
4.5 |
14 |
2.4 |
2.9 |
3.4 |
2.3 |
2.5 |
15 |
3.7 |
7.0 |
1.4 |
2.4 |
3.3 |
16 |
3.6 |
2.7 |
4.8 |
2.0 |
1.7 |
17 |
0.4 |
1.8 |
6.5 |
3.2 |
4.8 |
18 |
5.3 |
2.9 |
3.4 |
4.8 |
4.4 |
19 |
2.7 |
3.6 |
2.9 |
4.1 |
5.2 |
20 |
4.7 |
2.0 |
2.0 |
3.1 |
1.8 |
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Construct an -chart to be used in conjunction with an R-chart using 3s limits for this data and indicate if the process is in control
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