Dienstag, 21. Juli 2009

Six Sigma for Weight Loss #23

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> > How to find the right starting weight for the project? Collecting data from
my bathroom scale over a range of 44 days I calculated an average of 94,6
kg. The SPC Chart (Statistical Process Control) for individuals (I-Chart) shows
a time series plot of the data within control limits. The control limits
(red lines) are set at three standard deviations away from the average
(green line): Upper control limit (UCL) = 96,0 kg. Lower control limit (LCL)
= 93,2 kg. Variation within the control limits = + / - 1,4 kg. Four
measurements are outside of the expected control limits. Test 1 of the SPC
tests fails.
 
DMAIC phase: Improve. Sent from my iPhone.

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