Solutions Operations management

Bottles are filled with the finished product so that the target content is 500 milliliters. Samples

Question: Bottles are filled with the finished product so that the target content is 500 milliliters. Samples of size 5 are taken at regular intervals and the mean content of the 5 bottles and the range is recorded. The following data were obtained from a series of 20 such samples:

Sample Number	x	R
1	490.00	23
2	505.75	6
3	496.25	24
4	500.25	27
5	508.75	23
6	496.00	6
7	507.50	9
8	500.25	22
9	490.75	15
10	504.25	13
11	498.00	10
12	500.50	11
13	512.75	27
14	501.75	25
15	506.75	25
16	491.50	23
17	508.00	26
18	497.00	8
19	486.50	18
20	500.50	40