The following are quality control data for a manufacturing process at Kensport Chemical Company. The data show the temperature in degrees centigrade at five points in time during a manufacturing cycle.

Sample	x	R
1	95.72	1.0
2	95.24	0.9
3	95.18	0.8
4	95.48	0.4
5	95.46	0.5
6	95.32	1.1
7	95.40	0.8
8	95.44	0.3
9	95.08	0.2
10	95.50	0.6
11	95.80	0.6
12	95.22	0.2
13	95.58	1.3
14	95.22	0.4
15	95.04	0.8
16	95.72	1.1
17	94.82	0.6
18	95.46	0.5
19	95.60	0.4
20	95.74	0.6

The company is interested in using control charts to monitor the temperature of its manufacturing process. Compute the upper and lower control limits for the R chart. (Round your answers to three decimal places.)

UCL = __________

LCL = __________

Construct the R chart.

Sample Range Sample Range 2.0:} ' 1.?5 1.50 1.25 1.00 0.25 0.50 0.25 0.00 2.00 1.?5 1.50 1.25 1.00 0.?5 0.50 0.25 0.00 'LCCL 2 4 0 3 101214101320 Sample Number LEI. 2 4 0 3 101214101320 Sample Number @0 @0 Sample Range Sample Range 2.00 1.?5 1.50 1.25 1.00 0.?5 0.50 0.25 0.00 2.00 1.?5 1.50 1.25 1.00 0.75 0.50 0.25 0.00 LCL 2 4 0 3101214101320 Sample Number LEI. 2 4 0 3101214101320 Sample Number Sample Mean Tc Sample Mean 7: 96.25 96.60 95.25 95.59 95.25 95.66I 94.25 96.25 96.99 95.?5 95.50I 95.25 95-90 94.25 2 4 6 B 161214161826 Sample Number 2 4 6 B 161214161826 Sample Number (30 (BO Sample Mean Tr Sample Mean Tr 96.25 2 4 a 3 10121416132!) Sample Number 2 4 6 3 16121416132!) Sample Number