Question: 2. (LO 1:5%; LO2: 5%; LO3: 20%) Topik: Hypothesis test for Two Sample, Parametric and Non-Parametric Testing Seorang peneliti ingin tahu Merek Baterai mana

2. (LO 1:5%; LO2: 5%; LO3: 20%) Topik: Hypothesis test for Two

2. (LO 1:5%; LO2: 5%; LO3: 20%) Topik: Hypothesis test for Two Sample, Parametric and Non-Parametric Testing Seorang peneliti ingin tahu Merek Baterai mana yang lebih tahan lebih lama. Dia menemukan tujuh mainan, yang masing-masing membutuhkan satu mainan baterai. Untuk setiap mainan, dia kemudian memilih secara acak salah satu merek, memasang baterai baru dari merek itu dalam mainan, nyalakan mainan, dan catat waktunya sebelum baterai mati. Kemudian setelah baterai merek pertama mati, kemudian menggunakan mainan yang sama, ia mengulangi eksperimennya dengan baterai merek lainnya yang tidak digunakan pada percobaan pertama. Datanya tercantum dalam tabel berikut (waktu pengukuran merupakan jam masa pakai baterai): Mainan Merk 1 Merk 2 Mainan 1 11.1 12.8 Mainan 2 10.2 12.4 Mainan 3 10.3 10.8 Mainan 4 7.9 8.7 Mainan 5 10.9 12.0 Mainan 6 14.2 13.5 Mainan 7 7.1 8.0 a. Apakah data berdistribusi normal? Gunakan software statistik untuk mengetahui apakah data berdistribusi normal atau tidak? Lampirkan juga langkah-langkah penggunaan software statistik yang anda gunakan. b. Lakukan uji hipotesis yang sesuai untuk mengetahui apakah kedua baterai tersebut memiliki perbedaan yang signifikan, tentukan tingkat level signifikansi yang anda gunakan dan Jelaskan apa artinya! Lampirkan juga langkah-langkah penggunaan software statistik yang anda gunakan.

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