Table of Contents
ControllLimits are essentialthentistikal estical requery controll to communior stabilyentriy and performance. Understanting how to interpret these limits helps in makeg informasions abouti abult reventment and quallement.
Understanding ControlLimits
KontrollitationareAvertations artilations completelydeviations define variatiod varioon.
Limitus Calculating Controll
Jadi kalkulation of controlling depends on type of data and the controll chart uAD. For example, in aun X restatichart, the limits are deviepe the average of sample means and te standaron.
111; WAL1; FLT: 0 AV3; UCL = X NUB + A2 * R 1; FLT: 1: 3; AF3;
111; A2 * R 1; FLT: 1: 33; LCL = X = 2- A2 * R 1f; FLT: 1 3; 13;
Di mana X Voies berada, R is average range, dan A2 adalah constant baselt on sample size. Accurate kalkulations are vital for reliable morcelina.
Limits Interpreting ControlControlLimits
If datta titik fall withide the controll Limist, the meassars os consieeed ids od stalle. Points the limits indental may potentiaul escent or cause of variation. Trends or paragns neeon the limits may also signne neeid fod for review.
Keputusan - Makig Strategies
WhenncontrollLimits are breakhed, actions should be takefn and eliminate cause s of variation variation. Common strategies include:
- Investigasi unusumul data titik for llable cause s
- Ajust the proas if neeary
- Monitor selanjutnya data for stabil
- Dokument findings and actions taking n