假設(shè)檢驗相關(guān)知識簡介-文庫吧在線文庫
【正文】 reject based upon evidence ? Signs used in Minitab: not =or or Or Its either Null (same) or Alternative (Different) 19 假設(shè)的種類 ? 虛 無 性假設(shè) ? 通常用以描述現(xiàn)狀 ? 除非其它方面有所說明，否則就是人為設(shè)想的。 2023年 3月 9日星期四 下午 10時 16分 45秒 22:16: 1比不了得就不比，得不到的就不要。 22:16:4522:16:4522:16Thursday, March 9, 2023 1不知香積寺，數(shù)里入云峰。 22:16:4522:16:4522:163/9/2023 10:16:45 PM 1越是沒有本領(lǐng)的就越加自命不凡。 下午 10時 16分 45秒 下午 10時 16分 22:16: MOMODA POWERPOINT Lorem ipsum dolor sit amet, consectetur adipiscing elit. Fusce id urna blandit, eleifend nulla ac, fringilla purus. Nulla iaculis tempor felis ut cursus. 感謝您的下載觀看 專家告訴 。 22:16:4522:16:4522:16Thursday, March 9, 2023 1知人者智，自知者明。 2023年 3月 9日星期四 下午 10時 16分 45秒 22:16: 1楚塞三湘接，荊門九派通。 2023年 3月 下午 10時 16分 :16March 9, 2023 1行動出成果，工作出財富。 26 Defining Hypotheses Null Hypotheses HO: X1=Target HO: X1=m HO: X1X2=0 HO:m1?m2=0 HO: X1=X2=X3=….Xn HO: s1=s2 HO: S1=S2 HO: S1=S2=S3=….Sn Alternative Hypotheses HA:m1?m2 Inequalities are two sided tests HA:X1?X2 HA:m1m2 HA:X1X2 One Sided test are used for or hypotheses. HA: m1m2 HA:X1X2 HA: X1?X2?0 ___________________ HA: X1?X20 ___________________ HA: X1?X20 ___________________ HA: s1?s2 _______________________ HA: s1s2 _______________________ HA: S1S2 _______________________ Scripting Hypotheses as equations is useful when stating. 27 定義假設(shè) 虛 無 性假設(shè) HO: X1=Target HO: X1=m HO: X1X2=0 HO:m1?m2=0 HO: X1=X2=X3=….Xn HO: s1=s2 HO: S1=S2 HO: S1=S2=S3=….Sn 選擇性假設(shè) HA:m1?m2 不等式是針對兩邊的測試 HA:X1?X2 HA:m1m2 HA:X1X2 單邊測試用于 或 假設(shè) . HA: m1m2 HA:X1X2 HA: X1?X2?0 ___________________ HA: X1?X20 ___________________ HA: X1?X20 ___________________ HA: s1?s2 _______________________ HA: s1s2 _______________________ HA: S1S2 _______________________ 把假設(shè)以等式陳述很有用 . 28 Hypothesis Testing Protocol The hypotheses are always statements about the population parameters. 1. State your null hypothesis (Ho ) ?HO : The height of citizens in country A is equal to the height of citizens in country B (m A = m B ). State your Alternative Hypothesis (Ha ) ? HA : The height of citizens in country A is less than the height of citizens in country B (m A m B ). 2. Determine the appropriate statistical test based on the Hypothesis being tested. 3. Determine the level of acceptable risk. ? ? Risk: usually 5% (Default) ? b Risk: Usually 10 – 20% (Default) 29 假設(shè)檢驗協(xié)議 假設(shè)總是關(guān)于總體參數(shù)的 陳述 .
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