ªð¦^¦Cªí ¤W¤@¥DÃD µo©«

[µo°Ý] ¦p¦óø¨î«~ºÞºÞ¨î¹Ïªº xBar & R Chart?

[µo°Ý] ¦p¦óø¨î«~ºÞºÞ¨î¹Ïªº xBar & R Chart?

¦p¦óø¨î«~ºÞºÞ¨î¹Ïªº xBar & R Chart?
¥i´£¨Ñ½d¨Ò»P±Ð¾Ç¸Ñ»¡©ú¶Ü?

        ÀR«ä¦Û¦b : ¦h°µ¦h±o¡C¤Ö°µ¦h¥¢¡C
ªð¦^¦Cªí ¤W¤@¥DÃD