Statistika Inferensial meliputi Uji Beda dalam Pendidikan Jasmani: Sebuah Tinjauan
Abstract
Dalam pendidikan jasmani dan olahraga tidak lepas dari variabel yang saling berkaitan dari satu dengan lainnya. Untuk menguji keterlibatan variabel dalam melakukan gerakan olahraga diperlukan perhitungan dalam bentuk statistik. Tujuan dari artikel ini adalah membahas tentang uji beda yang digunakan dalam penelitian kuantitatif dalam bidang pendidikan jasmani dan olahraga. Metode studi pustaka dengan sumber sekunder menjadi pendekatan kualitatif yang diterapkan dalam penelitian ini. Stastistik yang digunakan dalam penelitian kuantitatif biasanya menggunakan jenis statistik inferensial. Statistik inferensial dibedakan menjadi dua yakni statistik parametrik dan nonparametrik. Uji t atau disebut dengan uji beda termasuk salah satu statistika parametrik (inferensial) yang digunakan untuk mengetahui ada tidaknya perbedaan rata-rata skor antara dua kelompok (sampel). Terdapat prosedur yang diperlukan dalam menganalisis data dengan menggunakan uji beda antara lain: (1) membuat hipotesis, (2) membuat tabel penolong, (3) menghitung t hitung, (4) menguji dengan t tabel, dan (5) menarik kesimpulan. Uji beda cenderung digunakan dalam penelitian eksperimental.
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