問題詳情
5. 設有一組資料（xi，yi），其平均數分別為μX＝4，μY＝6，標準差分別為σX＝2，σY＝3，若 Y 對 X 的迴歸直線過點（6，7），則 X 與 Y 的相關係數為_______________
參考答案
答案：A
難度：簡單0.714404
統計：A(2579),B(43),C(20),D(677),E(0) #
個人：尚未作答書單：裁處罰鍰之審酌
內容推薦
- 7 下面那一段 mRNA 產生的胜肽長度最長？(A) UCU AUG UUU UUC ACC CCC UAA UAG CCU(B) UCU AUG UUC UGA ACC CCC UAA UCG CC
- 【題組】49 (A) analyzing (B) collecting (C) furnishing (D) encrypting
- 【題組】(２)至少得三分之機率為___________
- 10 Please turn off the light. We should save__________ ; otherwise, the bill might go up again.(A) e
- 投擲硬幣三枚，若三枚均出現同一面，則可得一分，否則得零分。今連投五次，若機會均等且假設每次投幣互不影響，則：【題組】(１)恰得三分之機率為_________
- 活塞在氣缸套內上下往返運動，在氣缸套真正產生磨耗起始位在何處？(A) 第一道活塞環上死點位置(B) 第二道活塞環上死點位置(C) 第一道活塞環下死點位置(D) 第二道活塞環下死點位置
- 2 The secretary was__________ for work because of the heavy traffic.(A) late (B) hired (C) special (
- 9 Where did you have your hair__________ ?(A) done (B) do (C) been done (D) to do
- 14 下面那一種維生素或 coenzyme 與 citric acid cycle 無關？(A) Vitamin B1 (B) Vitamin B2 (C) Lipoamide (D) Vitamin
- 4 肌肉運動產生的 lactate 可經血液到肝臟轉換成葡萄糖再回流到肌肉，這種過程稱之為：(A) TCA cycle (B) Glyoxylate cycle (C) Cori cycle (D)
內容推薦
- 5 We are so glad that Miss Snow is teaching__________ English.(A) we (B) hers (C) ours (D) us
- 設籤筒中有 支籤，其中恰 支有獎，今有 人依序抽籤（取後不放回），已知第 人中獎的機率為a，第 人中獎的機率為b，則（a，b）＝____________
- 12 In India, eighty percent of the entire__________ are Hindus.(A) solution (B) tradition (C) popula
- 6 It __________ me two hours to get there because the traffic was awful.(A) took (B) takes (C) spent
- 13 Taipei 101 is one of the most well-known __________ in the world. You can enjoy a great view of t
- 14 Most students think that there is a need to __________bus fare, but not all students agree to hav
- 21 Cultures__________ , so we sometimes need to adjust our behavior when we are in a new country.(A)
- 15 A restaurant manager should know how to deal with __________from customers who are not satisfied
- 22 I was__________ about Mary so I watched her closely.(A) interesting (B) strange (C) curious (D) k
- 26 This Italian restaurant is the__________ place to eat in the city.(A) most (B) best (C) more (D)
- 23 I read about the crime in the__________ .(A) newspaper (B) television (C) radio (D) calendar
- 27 Susan: I’m going to Tokyo on vacation next week.Alice: Oh, how nice!__________Susan: Thanks a lot
- 32 Sylvia: What’s your favorite season?Amy:__________Sylvia: Me too. I hate cold winter days.(A) Ham
- 16 You must keep__________ whatever your boss tells you to do, or you may be fired.(A) in mind (B) i
- 24 I am very thirsty. May I have some more __________?(A) beef (B) juice (C) pork (D) sauce
- 28 Look! Here is a new__________ bill.(A) fifth-dollar (B) five-dollars (C) five dollars (D) five-do
- 33 A: Can you recommend to me an English tutor?B: Sure. Mr. Johnson is a very good one.A: Where does
- 17 My son is __________of the dark, so he never walks out of the house after sunset.(A) angry (B) af
- 26 偵測血糖的灰色採血管中含有氟化鈉（sodium fluoride; NaF），其目的為抑制下列何種解糖酵素？(A) Glyceraldehyde-3-phosphate dehydrogenas
- 34 A: Good afternoon, Great Western Restaurant. This is Steven. How may I help you?B: I would like t
- 18 That old man has no family, so he sometimes gets very, very __________.(A) friendly (B) natural (
- 35 Clerk: Can I help you, Sir?David: Yes. I want to buy a pair of jeans, Size L.Clerk: I have severa
- 19 Nick: May I speak with Sharon, please?Betty: I’m afraid you __________the wrong number.(A) dialed
- 25 Hotel guests who__________ checking out after 1:00 P.M. should contact the front desk.(A) are goi
- 28 在一項檢驗方法的評估中，其所得之全部誤差總值為 140 mg/dL；倘若該法計算之系統誤差為 60 mg/dL，則該法之隨意誤差為多少 mg/dL？(A) 60 (B) 70 (C) 80 (D