Problem 18. The population variance is:
(A) 24.9
(B) 50.0
(C) 2,490.0
(D) 3,112.5
(E) 12,450.0

Problem 14. What is E{T}, where T is defined as the difference between X and Y； that is, T=X-Y.(A)-20.0(B) 0.0(C) 20.0(D) 45.0(E)14.0

Problem 15. What is σ²{T}, where T is defined as the difference between X and Y； that is, T=X-Y.(A) 14.0(B) 20.0(C) 23.0(D) 26.0(E) Cannot determine without additional information.

Problem 16. What is the coefficient of correlation between X and Y?(A) 0(B) 0.047(C) 0.250(D) 0.375(E) 0.500

Problem 17. The population mean is:(A) 500(B) 520(C) 567(D) 625(E) the population mean cannot be determined from the information given.

Problem 19. Suppose a simple random sample of n=2 homes is to be selected from this population of five homes. Which of the following statements concerning this sampling procedure is correct?(A) The resulting sample mean will be identical to the population mean.(B) The sampling procedure guarantees that the sample will not be comprised of two houses immediately next to one another on the cul-de-sac.(C) Homes with larger property taxes are relatively more likely to be selected than are homes with smaller property taxes.(D) The sample mean property taxes paid, X, is certain to be no larger than $547.5.(E) None of the above.

Problem 20. The number of collisions at sea in a year is Poisson distributed. Thus, the length of time between collisions follows:(A) a Poisson distribution also.(B) a normal distribution.(C) an exponential distribution.(D) a Bernoulli distribution.(E) None of the above.

1. 書法字體的演變的順序，有一說為「篆隸草行楷」，而篆書又分為大篆與小篆，請問大篆不包含下列哪一個選項？(A)陶片文 (B)甲骨文 (C)金文 (D)石鼓文

2. 下列選項語詞中「」的讀音，何者前後相同？(A)「伐」木/北「伐」 (B)阻「塞」/「塞」車 (C)鬆「散」/分「散」 (D)「冠」軍/皇「冠」

3. 下列選項對「題辭」的說明，何者錯誤？(A)啟迪民智：用於報館開業 (B)時雨春風：用於校慶 (C)望隆盧扁：用於慈善機關開辦 (D)開物成務：用於工廠開辦

4. 下列選項中之語音何者正確無誤？(A)主「角」：ㄐㄧㄠˇ (B)主「播」：ㄅㄛˋ (C)「傾」聽：ㄑㄧㄥˇ (D)「亞」軍：一ㄚv