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secondary 4 | A Maths
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3a)Tentukan julat antara kuartil bagi gaji bulanan pekerja itu
3b) tentukan median dan julat antara kuartil dengan menggunakan ogif.
4) set data 3,5,8,9,x,12,15,17 mempunyai min 10. Tentukan varians dan sisihan piawai bagi set data itu.