【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 計數抽樣檢驗方案 抽樣方法 無偏好原則： 應用隨即抽樣來抽取樣本 簡單隨機抽樣 指從一批產品（ N件 ）中 任意地 抽取n件 （每一件產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出的產品或一段序號產品中任意抽取樣本。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 （ 生產方檢驗 ）：指生產企業(yè)為了及時發(fā)現生產中的不合格品，不使其流入下道工序，確保出場產品質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 、不可能采取全數檢驗的場合； B. 檢驗對象為 流程性產品 ，如帶鋼、電線、紙張、布匹； C. 產品 數量大 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