Question: Day Obs 1 Obs 2 Obs 3 Obs 4 x-bar (per day) LCL Center UCL x-bar chart 1 4.175 3.574 3.795 4.211 2 4.254 4.012

Day Obs 1 Obs 2 Obs 3 Obs 4 x-bar (per day) LCL Center UCL x-bar chart
1 4.175 3.574 3.795 4.211
2 4.254 4.012 4.119 3.866
3 4.096 3.525 3.576 4.061
4 3.966 4.499 4.271 3.705
5 3.672 4.488 3.836 3.723
6 3.916 3.967 3.782 4.015
7 4.521 4.167 3.951 4.712
8 3.472 3.452 3.994 4.015
9 3.911 4.122 4.167 3.853
10 4.693 4.092 4.126 4.306
11 4.135 3.818 4.085 3.822
12 3.833 4.001 3.538 4.083
13 4.125 3.777 3.968 4.059
14 3.895 3.741 3.897 3.66
15 4.212 4.048 4.085 3.952
16 3.921 3.948 3.981 4.097
17 4.545 3.766 3.532 4.139
18 4.276 3.992 4.258 3.708
19 4.069 4.077 4.007 3.998
20 4.168 3.891 3.751 4.107
21 4.024 3.768 4.132 4.109
22 3.61 4.195 3.718 3.954
23 3.904 3.684 4.263 3.914
24 4.12 3.805 3.978 4.165
25 4.104 4.107 4.236 3.505

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