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["일자","판매액(만원)"]
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["2025-03-02",116,null,"중앙값",null,"제2사분위수"]
["2025-03-03",123,null,"20%절사평균",null,"제3사분위수"]
["2025-03-04",136,null,"최빈값",null,"사분위범위수"]
["2025-03-05",121]
["2025-03-06",56,null,"모분산"]
["2025-03-07",98,null,"표본분산"]
["2025-03-08",134,null,"모표준편차"]
["2025-03-09",110,null,"표본표준편차"]
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