ZHANG Wei ming. Quality Control Charts with Variable Sample Size[J]. Chinese Journal of Applied Probability and Statistics, 2000, 16(3): 255-261.
Citation: ZHANG Wei ming. Quality Control Charts with Variable Sample Size[J]. Chinese Journal of Applied Probability and Statistics, 2000, 16(3): 255-261.

Quality Control Charts with Variable Sample Size

  • This paper proposes median and range charts with variable sample size based on Costa model of x control chart, working out the average number of samples to signal\tildexand Rthe average time to sighal for and R charts under the variable sample size. In the meantime, the author compares these charts with the fixed sample size and the variable sampling intervals\tildexand Rcharts.
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