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Question 15 Not yet answered Marked out of 2.00 Flag question Ringkasan statistik yang diperoleh bagi dua sampel bebas adalah seperti dalam jadual di bawah:

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Question 15 Not yet answered Marked out of 2.00 Flag question Ringkasan statistik yang diperoleh bagi dua sampel bebas adalah seperti dalam jadual di bawah: Jenama X Jenama Y n1 = 25 n2 = 25 X1 = 7.30 X2 = 6.80 S1 = 1.05 S2 = 1.20 Diandaikan varian kedua-dua populasi adalah sama. Maka, ralat piawai (standard error) bagi perbezaan min sampel ialah O A. 0.3189 O B. 1.2713 O C. 1.1275 O D. 2.5425 O E. 0.1017

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