A college's provost (chief academic officer) selects a random sample of 5 students' overall grade point averages (GPAs) in each of 8 consecutive semesters. These sample GPAs along with their sample means (x), sample ranges (R), and sample proportions (p^) are given in the table below.

(FYI: Any GPA that is less than 2.0 was considered "defective" in the calculation of the p^ statistics for each subgroup.)

Subgroup						x	R	p^
1	3.5	3.1	2.4	2.9	3.4	3.06	1.1	0
2	3.0	3.8	2.8	2.9	2.1	2.92	1.7	0
3	1.3	3.0	1.2	1.4	1.9	1.76	1.8	0.8
4	2.2	1.6	3.3	3.0	1.5	2.32	1.8	0.4
5	1.1	3.6	3.3	1.9	1.8	2.34	2.5	0.6
6	3.7	3.3	4.0	3.8	1.5	3.26	2.5	0.2
7	2.2	2.1	3.8	3.8	1.7	2.72	2.1	0.2
8	3.0	2.6	1.1	2.5	1.7	2.18	1.9	0.4
Averages						2.57	1.9	0.4

Find the values of the UCL and LCL on the following control charts for this data. Round all answers to 4 places after the decimal point (if necessary).

1. x chart
2. R chart
3. p chart