Mathematics, 31.08.2021 19:20 dsuarez1

Bài 33. Người ta dùng hai loại thức ăn khác nhau để chăn nuôi hai đàn thuộc cùng một giống gà. Sau hai tháng, kết quả tăng trọng của mỗi đàn như sau: Loại thức ăn Số gà Mức tăng trọng trung bình Độ lệch chuẩn
I 100 1,1kg 0,2
II 150 1,2kg 0,3

Với mức ý nghĩa 5%, có thể kết luận gà ăn thức ăn loại nào có mức tăng trọng cao hơn không?

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Bài 33. Người ta dùng hai loại thức ăn khác nhau để chăn nuôi hai đàn thuộc cùng một giống gà. Sau h...

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