【正文】 漏檢率 ： 9/96 = % 錯檢率 ： 1/4 = 25% 抽樣檢驗 抽樣方法 抽樣檢驗分類 計數(shù)抽樣檢驗方案 抽樣方法 無偏好原則： 應(yīng)用隨即抽樣來抽取樣本 簡單隨機抽樣 指從一批產(chǎn)品（ N件 ）中 任意地 抽取n件 （每一件產(chǎn)品被抽取的可能性是相等的） 例如 ： 摸獎（獎盒密閉，獎票特性相同） 搖獎（機械操作，獎球特性相同） ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● 系統(tǒng)抽樣 每隔一段時間或一定編號進行，而每一次又是從一定時間間隔生產(chǎn)出的產(chǎn)品或一段序號產(chǎn)品中任意抽取樣本。為了做到及時性，就要精心安排，嚴格執(zhí)行檢測計劃，做好檢測過程各項準備工作，使檢測工作能高效有序地進行。 按檢驗實施方分類 （ 1） 第一方檢驗 （ 生產(chǎn)方檢驗 ）：指生產(chǎn)企業(yè)為了及時發(fā)現(xiàn)生產(chǎn)中的不合格品，不使其流入下道工序，確保出場產(chǎn)品質(zhì)量符合要求而實施的檢驗。 抽樣檢驗是一種 廣泛采用 的檢驗方法，適用于下列場合： A. 需做 破壞性檢驗 、不可能采取全數(shù)檢驗的場合； B. 檢驗對象為 流程性產(chǎn)品 ，如帶鋼、電線、紙張、布匹； C. 產(chǎn)品 數(shù)量大 并允許有某種程度的不合格品混入的場合，如標準件中的螺釘、螺帽等； D