The following sample information was obtained by taking four doughnuts per hour for twelve hours from Fawcett Bakerys doughnut process and weighing them:

HOUR	WEIGHT(GRAMS)		HOUR	WEIGHT(GRAMS)
1		77,79,89,76	7		103,98,93,103
2		88,80,97,107	8		90,84,106,78
3		80,81,85,102	9		101,79,94,82
4		102,107,87,101	10		81,104,79,89
5		100,104,80,83	11		87,99,102,105
6		101,94,94,82	12		76,88,99,93

Questions Find the and R for each sample. Round your answers to two decimal places. HOUR Average Range 1 2 3 4 5 6 7 8 9 10 11 12 Find the and for the twelve samples. Do not round intermediate calculations. Round your answers to two decimal places. Overall Mean: Average Range: Find the 3-sigma UCL and LCL for the mean and range charts. Do not round intermediate calculations. If your answer is zero, enter "0". Round your answers to two decimal places. UCL: LCL: UCLR: LCLR:

HOUR	1	2	3	4
1	77.0	79.0	89.0	76.0
2	88.0	80.0	97.0	107.0
3	80.0	81.0	85.0	102.0
4	102.0	107.0	87.0	101.0
5	100.0	104.0	80.0	83.0
6	101.0	94.0	94.0	82.0
7	103.0	98.0	93.0	103.0
8	90.0	84.0	106.0	78.0
9	101.0	79.0	94.0	82.0
10	81.0	104.0	79.0	89.0
11	87.0	99.0	102.0	105.0
12	76.0	88.0	99.0	93.0
Control Chart Factors (3 sigma)
n	A2	D3	D4
2	1.88	0	3.268
3	1.023	0	2.574
4	0.729	0	2.282
5	0.577	0	2.115
6	0.483	0	2.004
7	0.419	0.076	1.924
8	0.373	0.136	1.864
9	0.337	0.184	1.816
10	0.308	0.223	1.777