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【单选题】
当样本统计量的取值未落入原假设的拒绝域时,表示( )A.
以放心地接受原假设
B.
没有充足的理由否定原假设
C.
没有充足的理由否定备择假设
D.
备择假设是错误的
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举一反三
【单选题】Sometimes it's just hard to choose. You're in a restaurant, and the waiter has his pen at the ready. As you hesitate, he gradually begins to take a close interest in the ceiling, his fingernails, then...
A.
it is common for his customer to hesitate in ordering a meal
B.
it is impolite for his customer to order with hesitation
C.
it is difficult for his customer to expect quality food
D.
it is possible to get know his customer's partner
【简答题】将 14.1500 修约到只保留一位小数 ____ 。 测定大气中 SO2 的标准分析方法是 ______ 。
【简答题】句型转换。 1. We need two bags of rice for this party. (对画线部分提问) ______ ______ ______ ______ you need for this party? 2. They want to buy 20 apples in the shop.(对画线部分提问) ______ ______ ______ ______they wan...
【简答题】完形填空。 Night after night, she came to wrap me in, even long after my childhood years. Following her longstanding custom, she'd lean down and push my long hair out of the way, then 1 my forehead. I don'...
【简答题】将下列数据修约到只保留一位小数：14.3426、14.2631、14.2501、14.2500、14.0500、14.1500
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