問答題

【計(jì)算題】

已知一攪拌站生產(chǎn)了一批C35混凝土,強(qiáng)度分別為35.0MPa,39.8MPa,42.8MPa,44.8MPa,34.9MPa,37.6MPa,38.8MPa,40.8MPa,41.4MPa,45.5MPa,44.8MPa,該組混凝土強(qiáng)度標(biāo)準(zhǔn)差為3.76 MPa,試對其進(jìn)行評定。

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