Question

Data was collected from a textile finishing process. Samples were collected daily and the number of nonconformities were recorded. (recall more than one nonconformity can be present on each unit)

Day	Number of units produced	Number of Nonconformities
1	13	60
2	12	43
3	19	55
4	14	44
5	18	55
6	13	40
7	24	61
8	15	49
9	16	66
10	11	41

Using Minitab:

1. Construct an appropriate control chart for the above data. (8 points)

2. Do any of the points exceed the 3 sigma control limits? (2 points)

Answer 1

Np.of no 6o 43 4615 3-383 a. 394 3.142 3.928 13 2 12 Ss 6(3 8 IS 19 3 266 3구27 Toal3 847 6.593 go data is in tonho tor u's For 2-31/