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Mathematics, 15.06.2021 14:00 rcolavit
Hai loại thuốc a, b làm tim đập chậm được thử nghiệm trên 16 con chuột bạch. mỗi loại được thử nghiệm trên 8 con . kết quả thu được về hiệu số nhịp đập của tim sau khi dùng thuốc và trước khi dùng thuốc :
thuốc a -22 -14 -36 -28 -8 -22 -8 2
thuốc b -14 -12 -22 -30 10 0 -8 24
so sánh tác dụng của hai loại thuốc kia ở mức độ ý nghĩa 0,05.cho biết hiệ số nhịp đập của tim sau khi dùng thuốc và trước khi dùng thuốc là phân phối chuẩn
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Hai loại thuốc a, b làm tim đập chậm được thử nghiệm trên 16 con chuột bạch. mỗi loại được thử nghiệ...
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