An experiment was conducted to determine the effect of exercises on elders' (above 60 years old) memory. Two groups of elders were analyzed. One group was treated with no exercise, while the other...

Extracted text: An experiment was conducted to determine the effect of exercises on elders' (above 60 years old) memory. Two groups of elders were analyzed. One group was treated with no exercise, while the other group was treated with 20 mínutes of the same exercise daily. Gíven non- normally distributed data, which non-parametric test is the most appropriate? {Satu eksperimen telah dijalankan untuk menentukan kesan senaman terhadap daya ingatan warga emas (umur 60 tahun ke atas). Dua kumpulan telah dianalisa. Satu kumpulan tidak menjalani sebarang jenis senaman manakala satu lagi kumpulan menjalani senaman yang sama setiap hari selama 20 minit sehari. jika data tidak bertaburan normal, ujian tidak berparameter yang manakah yang paling sesuai?} O a. Mann-Whitney U test [Ujian Mann-Whitney U} Ob. Friedman K test [Ujian Friedman K) OC. Kruskal-Wallis H test [Ujian H Kruskal-Wallis} d. Wilcoxon signed-rank test [Ujian pangkat-bertanda Wilcoxon}