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Junior High
Mathematics
國一數學 統計
Mathematics
Junior High
about 2 yearsago
97.Huang
國一數學 統計
孟林將班上30位學生,每個人的自然成績,先加上原來分數 的10%,再加8分,加分後沒有人超過100分。若加分前全 班的平均分數為60分,中位數為50分,眾數為45分,則: (1)加分後全班的平均分數為多少分? (2)加分後全班的中位數為多少分? (3)加分後全班的眾數為多少分? 文
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