Prajapati D R

D R Prajapati

Information about the author D R Prajapati will soon be added to the site.
Found 9 papers in total
Correlation level among the observations for a pharmaceutical industry using &Xmacr; chart with economics
Correlation level among the observations for a pharmaceutical industry using &Xmacr; chart with economics
2016
Traditionally, it is assumed that the observations are independent and identically...
Monitoring of process mean and variance simultaneously by joint &Xmacr; and R chart for serial correlation
Monitoring of process mean and variance simultaneously by joint &Xmacr; and R chart for serial correlation
2015
It is assumed that the presence of the assignable cause may shift either process mean...
Statistical design of &Xmacr; charts for autocorrelated processes for different sample sizes
Statistical design of &Xmacr; charts for autocorrelated processes for different sample sizes
2014
The &Xmacr; charts for variables are widely used in industries to detect the shift in...
Effect of various factors for achieving environmental performance in manufacturing industry: a review
Effect of various factors for achieving environmental performance in manufacturing industry: a review
2015
During the industrial revolution, environmental issues were not addressed when...
Effect of warning limits on the performance of the X chart under autocorrelation
Effect of warning limits on the performance of the X chart under autocorrelation
2014
X charts for variables are one of the outstanding charts of statistical quality...
A modified range (R) chart to monitor process dispersion of autocorrelated data
A modified range (R) chart to monitor process dispersion of autocorrelated data
2014
The range (R) charts are widely used in industries to monitor the process...
Effect of autocorrelation on the performance of EWMA chart
Effect of autocorrelation on the performance of EWMA chart
2012
The outputs from the manufacturing processes are often assumed to be independent but...
Design for Six Sigma to optimise the process parameters of a foundry
Design for Six Sigma to optimise the process parameters of a foundry
2011
Six Sigma is an organised and systematic method for strategic process improvement that...
Effect of sampling intervals on economic design of proposed X‐bar chart using Lorenzen‐Vance cost model
Effect of sampling intervals on economic design of proposed X‐bar chart using Lorenzen‐Vance cost model
2010
It is observed that sampling interval (h) and expected cost/hour (C) depend upon...
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