| 1. |
Sampling and resampling methods have become more useful in recent years
due to the power of computers. Define "sampling" and "resampling" methods
as well as discuss their applications. (15%) |
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| 2. |
(1) What is a parametric statistical method? Name and describe some
parametric methods you have used. (6%) |
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(2) What is a nonparametric statistical method? Name and describe some
nonparametric methods you have used corresponding to your answer in (1).
(6%) |
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(3) List the advantages and/or disadvantages of nonparametric testing
compared with parametric methods. How serious are these shortcomings?
(6%) |
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| 3. |
有一個礦工身陷在有三個分叉隧道的礦洞中,若選擇第一個隧道,則礦工將花費兩小時安全的離開礦洞;若選擇第二個隧道,則礦工將花費三小時,並重回此三叉口;若選擇第三個隧道,則礦工將花費五小時,並重回此三叉口。假設礦工選擇各個隧道的機率相同,則礦工安全離開礦洞的期望時間為多少?(請說明你的解題概念與過程)
(15%) |
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| 4. |
(1)若x是一個隨機變數,且為正數,若a> 0,則證明:(馬可夫不等式) |
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(6%)  |
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(2)若x是一個隨機變數,其平均數為u,變異數為σ2,若k > 0,則證明:(切氏不等式) |
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(6%)  |
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(3)請說明馬可夫不等式與切氏不等式的功用與重要性。 (6%) |
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| 5. |
請列舉四種在商學、企管領域,探討兩個變數間關係的統計或計量方法,並詳細比較各個方法間在 |
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| (1) |
變數資料內涵﹝屬質(qualitative)或屬量(quantitative),時間序列(time series)或橫斷面(cross
sectional)﹞,及 |
| (2) |
分析產生結果內涵(即分析後所呈現的訊息)上的差別。 (14%) |
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| 6. |
請列舉四種在商學、企管領域,探討三個以上變數間關係的統計或計量方法,並詳細比較各個方法間在 |
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| (1) |
應變數及自變數的個數, |
| (2) |
變數資料內涵﹝屬質(qualitative)或屬量(quantitative) ,時間序列(time series)或橫斷面(cross
sectional)﹞,及 |
| (3) |
分析產生結果內涵(即分析後所呈現的訊息)上的差別。 (20%) |
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