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El Grande Toro Restaurante advertises that customers will have their orders taken within three minutes after being seated. Management wants to monitor these times, as

El Grande Toro Restaurante advertises that customers will have their orders taken within three minutes after being seated. Management wants to monitor these times, as it is such an important guarantee for business. Forty samples of size 5 can be found in the data.

Sample Observations
1 1.19 1.50 1.49 1.82 1.46
2 1.45 1.15 1.38 1.26 1.57
3 2.07 1.72 1.26 1.74 1.70
4 1.31 1.19 1.26 1.65 1.39
5 1.08 1.18 1.31 1.91 1.19
6 0.71 1.93 1.47 1.63 1.73
7 1.17 1.43 1.02 1.11 1.76
8 1.68 1.54 1.75 1.91 0.81
9 1.20 1.36 1.53 1.46 1.54
10 0.68 0.92 1.11 1.50 1.77
11 1.47 1.79 1.56 1.12 1.75
12 1.68 1.57 1.59 1.80 1.91
13 1.60 1.10 1.56 1.83 1.33
14 0.71 1.36 1.36 1.81 1.82
15 1.68 1.39 1.55 0.68 1.51
16 1.87 2.03 1.60 1.73 1.56
17 1.59 1.53 0.93 1.97 1.65
18 1.49 1.44 2.00 1.16 1.48
19 1.15 1.74 1.34 1.49 1.27
20 1.70 2.09 1.21 0.90 1.31
21 1.44 1.85 1.49 2.23 1.80
22 1.64 1.32 1.23 1.54 1.59
23 0.97 1.53 1.42 1.47 1.94
24 1.88 0.98 0.91 1.64 1.92
25 2.10 1.53 1.71 1.68 1.59
26 1.10 0.97 1.24 1.32 1.34
27 1.83 1.70 0.87 1.57 1.73
28 0.97 1.33 0.87 1.50 1.96
29 1.71 1.92 1.53 1.63 2.26
30 1.55 2.10 1.64 1.39 1.47
31 0.91 1.61 1.26 0.99 1.45
32 1.37 1.94 1.50 0.95 1.58
33 1.65 1.58 1.44 1.77 1.62
34 1.21 1.23 1.29 1.14 1.36
35 1.39 1.39 1.53 1.24 1.31
36 1.42 1.53 1.66 1.49 1.23
37 1.94 1.57 1.42 1.43 1.75
38 2.00 1.68 1.66 1.52 1.89
39 1.20 1.31 1.43 1.40 1.56
40 1.01 1.26 1.27 1.31 1.10

a. Use the X-bar&s Excel template to construct x - and s-charts. Covert the Excel results to PDF and submit as attachment.

b. Does the process appear to be in statistical control? Why or why not?

c. Obtain the process capability indexes from the Excel template, using three minutes as the upper specification limit and zero minute as the lower specification limit. What recommendation would you make to management concerning the process?

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