Business, 20.09.2021 04:40 ciel8809

1: Cửa hàng KZE chuyên kinh doanh các thiết bị điện tử trong gia đình. Mẫu doanh thu ngày (triệu đồng) của của hàng KZE trong 6 ngày qua cho như sau: 13; 8; 15; 8; 10; 21. Hãy tính độ lệch chuẩn mẫu về doanh thu ngày của cửa hàng (làm tròn tới chữ số thứ nhất sau dấu thập phân). A. 12,5
B. 25,1
C. 5,1
D. 5,0
E. 25,2

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1: Cửa hàng KZE chuyên kinh doanh các thiết bị điện tử trong gia đình. Mẫu doanh thu ngày (triệu đồn...

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