【例題】極端值對平均的影響:平均售價| 平均、中位數、眾數 ...
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Junyi Academy is derived originally from Khan Academy, and derived from Chengzhi Foundation.More information about Chengzhi Foundation, you can find under: http://kistschool.org/.More information about Khan Academy, you can find under: https://www.khanacademy.org/.