
Stat Prob 9
Authored by Muhammad Irsyad
Mathematics
University
Used 3+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apa yang dimaksud dengan hipotesis nol (H0) dalam statistika?
Pernyataan yang ingin dibuktikan kebenarannya
Asumsi awal yang diuji, biasanya menyatakan "tidak ada efek" atau "tidak ada perbedaan"
Hipotesis yang hanya digunakan dalam uji ANOVA
Hipotesis alternatif dari penelitian
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Tingkat signifikansi (α) = 0.05 menunjukkan:
Probabilitas menerima H0 ketika benar adalah 5%
Probabilitas menolak H0 ketika benar (kesalahan Tipe I) adalah 5%
Tingkat kepercayaan hasil uji adalah 95%
Batas toleransi kesalahan Tipe II
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Jika deviasi standar populasi tidak diketahui, apa yang digunakan untuk uji mean sampel tunggal?
Distribusi normal (z-test)
Distribusi chi-kuadrat
Distribusi F
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Uji dua ujung (two-tailed test) digunakan ketika:
H1 berbentuk ≠ (contoh: μ ≠ 1500)
H1 berbentuk > atau < saja
Sampel berukuran kecil (n < 30)
Varians populasi diketahui
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apa fungsi utama uji hipotesis?
Menghitung rata-rata sampel
Menguji klaim tentang parameter populasi menggunakan data sampel
Membuat grafik distribusi data
Menentukan ukuran sampel
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