為了對(duì)某一水稻品種的結(jié)實(shí)能力進(jìn)行考察,現(xiàn)抽出40個(gè)稻穗進(jìn)行考察,每個(gè)稻穗的結(jié)實(shí)粒數(shù)如下(單位:粒):

167,154,159,166,169,159,156,162,158,159,160,164,160,157,161,158,153,158,164,158,163,158,×,157,162,159,165,157,151,146,151,160,165,158,163,162,154,149,168,164

統(tǒng)計(jì)人員將上述數(shù)據(jù)整理成表:

畫成統(tǒng)計(jì)圖如,

根據(jù)上述信息回答:

(1)A=_______,B=_______,C=_______,D=_______.

(2)原數(shù)中的x可能取_______.

答案:6,15%,12,30%;150#151#152#153#154
解析:

(1)6 15% 12 30

(2)150151152153154


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科目:初中數(shù)學(xué) 來源: 題型:022

為了對(duì)某一水稻品種的結(jié)實(shí)能力進(jìn)行考察,現(xiàn)抽出40個(gè)稻穗進(jìn)行考察,每個(gè)稻穗的結(jié)實(shí)粒數(shù)如下(單位:粒):

167,154,159,166,169,159,156,162,158,159,160,164,160,157,161,158,153,158,164,158,163,158,×,157,162,159,165,157,151,146,151,160,165,158,163,162,154,149,168,164

統(tǒng)計(jì)人員將上述數(shù)據(jù)整理成表:

畫成統(tǒng)計(jì)圖如,

根據(jù)上述信息回答:

(1)A=_______,B=_______,C=_______,D=_______.

(2)原數(shù)中的x可能取_______.

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