A. construct each control chart manually with written calculations.

B. Perform the Process Capability Analysis assuming the number of opportunities for defects to be 7.

Month	Orders	Orders with error	P = orders with error/orders	Total errors in all orders	U = total errors/ orders	Random Sample of Orders	Sample orders with errors. A random sample of 100.	Sample errors (number of defects in the Defective orders)
January	225	49	0.21777778	78	0.34667	100	30	25
February	378	20	0.05291005	63	0.16667	100	47	25
March	196	50	0.25510204	65	0.33163	100	20	9
April	268	24	0.08955224	60	0.22388	100	33	33
May	283	34	0.12014134	52	0.18375	100	31	40
June	284	49	0.17253521	62	0.21831	100	32	39
July	183	44	0.24043716	72	0.39344	100	35	39
August	280	17	0.06071429	84	0.3	100	42	42
September	203	47	0.23152709	64	0.31527	100	34	42
October	203	44	0.21674877	41	0.20197	100	8	29
November	377	17	0.04509284	61	0.1618	100	27	15
December	238	21	0.08823529	93	0.39076	100	31	7
Sum	3118	416		795	0.25497	1200	370	345