…reliability estimate, one of several Kuder-Richardson formulas. This formula supplies a median of estimates that might result from all feasible ways of dividing a examination into halves. Contoh: Tentukan koefisien reliabilitas hasil uji coba instrument tes matematika yang terdiri dari six butir soal dengan jumlah sampel uji coba ten siswa. https://stephenjkllj.bloguetechno.com/5-simple-techniques-for-kr20-formula-62130363