Comparisons of 3sigma and Six sigma control chart corresponding to Xbar and Rchart to meet customer Satisfaction in Banking Sector.

VIDHYADHAR SONAJI ATHAWAR; Prof Dr. H. S. Lunge

Volume : V, Issue : VI, June - 2016

Comparisons of 3sigma and Six sigma control chart corresponding to Xbar and Rchart to meet customer Satisfaction in Banking Sector.

Vidhyadhar Sonaji Athawar, Prof Dr. H. S. Lunge

Abstract :

 Shewhart’s(1931) control chart is a simple device which enable to define more precisely the state of the statistical control and judging when the process is out of control. Its judging is based on 3–sigma limits. The basic idea of any process is to maintain the standard of the quality to meet the customers satisfaction . However every quality process is having Inherent variation. The related theory behind the possible devices of eliminating the avoidable sources from time to time is known as control chart technique. Now a day’s every industry and organizations are trying to develop the quality service by applying Six sigma initiatives . The industry engaged in six sigma implementation are expected to produce 3,4 or less number of defects per million of opportunities. In 1980 Motorola company implemented six sigma initiatives and ing revolution in the world to improve the existing process and get financial benefits. According the six sigma concept if none of the sample points falls outside the control limit suggested by W A Shewhart , then the process is efficient, which satisfy the desired level of expectation. This paper has shown the comparison of 3–sigma and Six sigma control chart of the respondent in banking sector. Six sigma X– bar and Range control chart has shown that there is need to improve the existing process to get deserved level of satisfaction.