資訊推薦

• 在一個研究中，研究者使用 12 點量尺(分數愈高，表示壓力愈高)，測量 10 位員工的壓力指數，測得結果如下： N=1~10：10, 8, 7, 7, 10, 11, 7, 8, 2, 7。【題組】5
• 【題組】6. 承第 5 題，若以 X 代表員工之壓力指數，請問該資料之(ΣX)2 為(A)4929 (B)5929(C)657 (D)645
• 【題組】7. 承第 5 題，請問該資料之眾數是(A)8 (B)5 (C)7 (D)7.7
• 【題組】8. 承第 5 題，請問該資料之全距是(A)8 (B)9 (C)7 (D)6
• 9. 當數列(5,4,2,3,4,9,5)每個數值各加 10 之後，下列敘述何者為對? (A)其平均數不變 (B)其標準差不變 (C)其平均數=5.57 (D)標準差=2.54
• 10. 下列對於常態分配的敘述，何者為對? (A)平均數上下 1 個標準差之間的人數佔總人數 68.26% (B)平均數上下 3 個標準差之間的人數佔總人數 95.44% (C)其標準化平均數=1 (
• 11. 某教師利用智力測驗測量 30 名學生之智商，得到平均智商=115，這位教師想用統計檢定本校同年級兩千名學生之平均智商是否為 115，請問下列敘述何者為對? (A)虛無假設：學生之平均智商＞11
• 12. 下列敘述何者為對? (A)當拒絕 H0，H0 為真時，則犯了第一類型錯誤 (B)統計考驗力(power)是指正確接受 H1 的概率 (C)第二類型錯誤為 α (D)當 H0 為假，正確拒絕它時
• 9. 關於變異數分析(ANOVA)，下列敘述何者為非? (A)亦可用來考驗兩組平均數之間的差異之顯著性比較 (B)當組別大於三組時，若 F 值顯著，需透過事後比較找出那些組別具有差異 (C)多因子變異
• 10. 下表為一研究之變異數分析摘要表，根據該表計算，請問該表 F 值之顯著性為何?   (A)達 α＜.01 之顯著性 (B)達 α＜.05 之顯著性(C)以上皆是 (D)以上皆非
• 某研究者進行一戒菸計畫效果的評估，共有 15 名受試者參與該計畫，以下資料為該 15 名受試者在參加三週戒菸計畫前後測每週所抽的菸量變化(根/週)。【題組】13.請問該使用哪種統計方法來檢定前後測之差
• 2. Assume that Joe is willing to produce a hamburger for $1, and Mary is willing to pay $3 for a ham
• 3. Which of the following is likely to have the highest price elasticity of demand?(A) Shoes(B) Runn
• 4. Refer to the accompanying figure. What is total consumer surplus at the market equilibrium? (A) $
• 5. The most important challenge facing a firm in a perfectly competitive market is deciding:(A) whet
• 6. Which of the following is NOT an example of an explicit cost?(A) The overtime wages paid to worke
• 7. Which of the following firms is most likely to be a pure monopolist?(A) A clothing retailer with
• 8. If living standards in a country, as measured by output per person, decrease, then total output m
• 9. If a pizza maker pays $1 for tomatoes, $1 for cheese, $2 for sausage, and sells the pizza made wi
• 10. On January 1, 2015, Anna invested $5,000 at 5% interest for one year. The CPI on January 1, 2015
• 11. Average labor productivity is determined by:(A) consumption, investment, government spending, an
• 12. Which of the following is an example of frictional unemployment?(A) Dora lost her job when the t
• 13. Where Y is GDP, C is consumption, I is investment, G is government spending, T is net taxes, and
• 14. If bank reserves are 200, the public holds 400 in currency, and the desired reserve/deposit rati
• 15. If the principal amount of a bond is $2,000,000, the coupon rate is 6 percent , and the inflatio