1) Given the data shown for an 8-hour period (8 samples of size 4), create X chart and R chart. Write regarding control.

[answerhappygod]

1) Given the data shown for an 8-hour period (8 samples of size
4), create X chart and R chart.
Write regarding control.
Provide all constants and a demonstration of calculation of
control limits.
Hour
Obs1
Obs2
Obs3
Obs4
1
1.14
0.94
1.25
1.46
2
0.76
1.15
1.41
0.98
3
3.00
1.00
1.05
0.78
4
1.23
1.13
1.13
1.13
5
1.16
1.10
1.59
1.37
6
1.52
0.88
1.31
1.38
7
1.10
1.34
1.12
1.35
8
0.90
1.13
1.19
1.21