題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
46.隨機在不同時間點觀察機器運作,每次觀察一小時,記錄其每小時的產量。【表 46】為其相關資訊。若要利用變異數分析法分析四部機器每小時的平均產量是否不同。變異數分析表中的誤差均方和為多少?【題組】4
問題詳情
46.隨機在不同時間點觀察機器運作,每次觀察一小時,記錄其每小時的產量。【表 46】為其相關資訊。若要利用變異數分析法分析四部機器每小時的平均產量是否不同。變異數分析表中的誤差均方和為多少?
【題組】47.承第 46 題,變異數分析表中,誤差項的自由度為多少?
(A) 3
(B) 4
(C) 18
(D) 20
參考答案
答案:C
難度:
計算中
-1
書單:
沒有書單,新增
上一篇 :
19 如附圖所示,半徑為 r 、高度為 h 、比重為 0.25 的均勻圓柱體,靜置於高度大於 h 、內半徑大於 r 的圓筒形開口容器內底部,最初容器內未裝水。為了使圓柱體在水中浮起,慢慢將水加入容器內
下一篇 :
32 Your argument is so general that you need to be more _______ about your points.(A) special (B) su
資訊推薦
33 It is often considered rude or even offensive to_______ to get someone’s attention.(A) advise (B)
34 You can _______ yourself from the conflict by simply choosing to do something else.(A) resume (B)
35 Although it is October, the children already show an eager _______ for Christmas.(A) anticipation
36 Brain cancer may require _______ medical treatment such as surgery.(A) aggressive (B) destructive
37 The company is in discussions with several countries to _______ a trial for the potential vaccine
38 The financial crises _______ the unstable economy of this developing country.(A) advocate (B) agg
39 It is _______ silly to believe that the number thirteen would bring bad luck to your life.(A) app
40 Mrs. Jonson enjoyed only _______ relief from the aspirin since her headache came back within an h
請依下文回答第 41 題至第 45 題: Shakespeare and Company is an English-language bookshop in Paris. It was o
請依下文回答第 46 題至第 50 題:Here are the facts: 65 million people displaced from their homes by violence and
【題組】47 Which of the following is closest in meaning to "fleeing"?(A) escaping (B) embracin
【題組】48 How long is the average length of displacement for refugees?(A) 40 years. (B) 10 years. (C) 2
【題組】49 According to the passage, how many people were born in the world’s largest refugee camp?(A) 6
【題組】50 According to the passage, which of the following statements is NOT true?(A) Refugees stay for
1 下列何者沒有直接的神經支配?(A)骨骼肌 (B)心肌 (C)平滑肌 (D)肌腱
48.甲、乙兩種股票,其漲跌機率如【表 48】,表中括號內的數字為其賺賠的金額(單位為十萬元)。下列敘述何者錯誤? (A)買甲股票,平均而言會賠錢(B)買乙股票,平均而言會賺錢(C)若甲乙股票各買一張
3. 3-Ethyl-2-methylhexane 與 Br2 的反應方程式,何者為正確?(A) (B) (C) (D) (E)
27 The building had recently been inspected, but it seemed that the _______system was not working wh
28 One of the duties of a fire control officer is to monitor emergency calls and take command of the
29 Firefighters should particularly bear in mind that radio signal _______in some types of buildings
30 Paramedics are always first at the scene to _______ life-saving procedures, such as to supply spl
31 Defining the fire_______ in a tunnel generally involves a high level of uncertainty due to variat
32 It is advisable that we evaluate electrochemical or optical sensors, placed in the cooktop exhaus
33 Most fire service staff will be familiar with the type of _______ used for monitoring premises fo
34 By keeping doors and windows closed, it is possible for a fire to become _______of oxygen and sel