Question
Please do it on minitab There is a company that imports garden gnomes. Some gnomes crack or break before or during seller-to-buyer transit, turning them
Please do it on minitab
There is a company that imports garden gnomes. Some gnomes crack or break before or during seller-to-buyer transit, turning them into scrap metal. The fraction of broken gnomes is naturally a concern for the company. Each day, a sample of 100 lawn gnomes is drawn from the total of all gnomes received from each lawn gnome supplier. In the Excel gnomos.xls the information of the 30 days of shipping to a particular supplier is presented:
Day | Sample size | Broken gnomes |
1 | 100 | 14 |
2 | 100 | 2 |
3 | 100 | 11 |
4 | 100 | 4 |
5 | 100 | 9 |
6 | 100 | 7 |
7 | 100 | 4 |
8 | 100 | 6 |
9 | 100 | 3 |
10 | 100 | 2 |
11 | 100 | 3 |
12 | 100 | 8 |
13 | 100 | 4 |
14 | 100 | 15 |
15 | 100 | 5 |
16 | 100 | 3 |
17 | 100 | 8 |
18 | 100 | 4 |
19 | 100 | 2 |
20 | 100 | 5 |
21 | 100 | 5 |
22 | 100 | 7 |
23 | 100 | 9 |
24 | 100 | 1 |
25 | 100 | 3 |
26 | 100 | 12 |
27 | 100 | 9 |
28 | 100 | 3 |
29 | 100 | 6 |
30 | 100 | 9 |
Answer the following questions:
The upper control limit of the graph is: a) 0.1328. b) 0.1793. c) 13.28. d) 17.93
The number of out-of-control points is: a) 3. b) 2. c) 0. d) 1.
The conclusion of your analysis of the control chart would be the closest thing to: a) The graph shows a process out of control, the fraction of broken gnomes is alarming. b) The graph shows a stable process, the fraction of broken gnomes is within the expected.
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