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統(tǒng)計是在初中數(shù)學統(tǒng)計初步的深化和擴展,本講的主要內容是隨機抽樣的方法在總體中抽取樣本。

預測2007年高考對本講的考察是:

(1)以基本題(中、低檔題為主),多以選擇題、填空題的形式出現(xiàn),以實際問題為背景,綜合考察學生學習基礎的知識、應用基礎知識、解決實際問題的能力;

(2)熱點是隨機抽樣方法中的分層抽樣、系統(tǒng)抽樣方法。

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4.能通過試驗、查閱資料、設計調查問卷等方法收集數(shù)據(jù)。

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3.在參與解決統(tǒng)計問題的過程中,學會用簡單隨機抽樣方法從總體中抽取樣本;通過對實例的分析,了解分層抽樣和系統(tǒng)抽樣方法;

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2.結合具體的實際問題情境,理解隨機抽樣的必要性和重要性;

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1.能從現(xiàn)實生活或其他學科中提出具有一定價值的統(tǒng)計問題;

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56. There was ____ to prevent the accident.

    A. something could do             B. anything we could do       

C. nothing we couldn’t do          D. nothing we could do

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55. This is the only one of the students whose handwriting ____ the best.

    A. is               B. are           C. has           D. have

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54. That is one of those books that ____ worth reading.

    A. is               B. are           C. has           D. have

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53. I don’t like ____ you speak to her.

    A. the way       B. the way in that      C. the way which      D. the way of which

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52. This is the only book ____ I can find.

    A. that          B. which        C. it            D. with which

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