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歡迎您訪問(wèn)數(shù)學(xué)考題練習(xí):為了解拉薩市某次初三學(xué)生數(shù)學(xué)考試成績(jī)的情況,從!

數(shù)學(xué)考題練習(xí):為了解拉薩市某次初三學(xué)生數(shù)學(xué)考試成績(jī)的情況,從

更新時(shí)間:2024-01-12 16:25:15作者:貝語(yǔ)網(wǎng)校

為了解拉薩市某次初三學(xué)生數(shù)學(xué)考試成績(jī)的情況,從全市的初三學(xué)生中抽取了100名學(xué)生的數(shù)學(xué)考試成績(jī),在這個(gè)問(wèn)題中,樣本是

A.拉薩市的全體初三學(xué)生

B.拉薩市這次初三學(xué)生數(shù)學(xué)考試成績(jī)

C.抽取的100名初三學(xué)生

D.抽取的100名初三學(xué)生這次數(shù)學(xué)考試成績(jī)

試題答案

D

試題解析

從總體中抽取的一部分可以作為總體的一個(gè)樣本.

解答:根據(jù)題意知,樣本是抽取的100名初三學(xué)生的數(shù)學(xué)考試成績(jī).

故選D.

點(diǎn)評(píng):本題主要考查了總體和樣本的概念,屬于基礎(chǔ)題型,關(guān)鍵是熟記概念.

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