This is open access book provides plenty of pleasant mathematical surprises. There are many fascinating results that do not appear in textbooks although they are accessible with a good knowledge of secondary-school mathematics. This book presents a selection of these topics including the mathematical formalization of origami, construction with straightedge and compass (and other instruments), t…
Buku ini memuat materi antara lain: Metode Ilmiah, Langkah-langkah penelitian, Tujuan penelitian, Hubungan variabel, Unit analisis, Konseptualisasi dan pengukuran; Populasi dan sampel; Ukuran dan kesalahan sampel; Penelitian survei; Statistik untuk survei; Statistik parametik dan nonparametrik; Analisis varian.