and in the postal network, we need to use the pcs cause selecting control chart or p control chart to control the quality indices according as they are correlated to the quantity of exchange or not.
英
美
- 在郵政通信網(wǎng)部分指出,根據質(zhì)量指標與交換量是否相關(guān)而分別采用p_(cs)選控圖與p控制圖進(jìn)行控制。 本文并提出p_(cs)選控圖的第一個(gè)實(shí)例。