1. The QKar manufacturer inspect every car coming off production line for fit and finish.The following data shows the number of scratches observed on a sample of 20 cars.
   1. Create a control chart for this production line
   2. Is this process is in control?
   3. Comment on performance of this production process.

Unit	Number of Defects
1	2
2	8
3	3
4	0
5	5
6	8
7	2
8	1
9	3
10	7
11	0
12	2
13	4
14	12
15	8
16	7
17	6
18	2
19	8
20	10