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 0.7 4 95.48 0.4 5 95.46 0.5 6 95.32 1.1 7 95.40 0.9 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 95.54 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.) Compute the upper and lower control limits for the x chart. (Round your answers to three decimal places.)

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter29: Tolerance, Clearance, And Interference
Section: Chapter Questions
Problem 16A: Spacers are manufactured to the mean dimension and tolerance shown in Figure 29-12. An inspector...
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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 0.7
4 95.48 0.4
5 95.46 0.5
6 95.32 1.1
7 95.40 0.9
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 95.54 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.)

Compute the upper and lower control limits for the x chart. (Round your answers to three decimal places.)

 

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