
Uji Hipotesis
Quiz
•
Mathematics
•
University
•
Practice Problem
•
Hard
Aisyah Shinta
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Manakah pernyataan berikut yang salah?
H0 selalu menyatakan tidak ada perbedaan
H1 menyatakan adanya efek atau pengaruh
Nilai p-value digunakan untuk menentukan H0 ditolak atau tidak
H0 ditolak jika nilai Z lebih kecil dari Z kritis
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Jika p-value = 0,03 dan α = 0,05 maka
Gagal tolak H0
Terima H0
Tolak H0
Tolak H0 menerima H1
3.
OPEN ENDED QUESTION
3 mins • 5 pts
Jika Z = 2,50, berapakah P-value dan apakah keputusan terhadap H0 jika α = 0,05?
Evaluate responses using AI:
OFF
Answer explanation
Dari tabel Z, nilai F(Z = 2,05) ≈ 0,9798
Maka p-value = 1 – 0,9798 = 0,0202
Karena p-value < α (0,05), maka H₀ ditolak
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Seorang peneliti ingin mengetahui apakah rata-rata tinggi badan siswa SMA lebih dari 165 cm. Hipotesis alternatifnya adalah:
H₁: 𝜇>165
H₁: 𝜇<165
H₁: 𝜇=165
H₁: 𝜇≠165
5.
OPEN ENDED QUESTION
3 mins • 5 pts
Dengan hasil Z hitung = 3,00 dan tingkat signifikansi
𝛼 =0.05 uji satu sisi kanan.
Pertanyaan:
a) Tentukan nilai kritisnya
b) Apakah H₀ ditolak atau tidak? Jelaskan alasannya.
Evaluate responses using AI:
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Answer explanation
a) Z kritis pada uji satu sisi kanan dengan α = 0,05 adalah Z = 1,645
b) Karena Z hitung (3,00) > Z kritis (1,645), maka H₀ ditolak. Artinya, ada bukti bahwa rata-rata lebih dari 75.
6.
OPEN ENDED QUESTION
3 mins • 5 pts
Peneliti ingin mengetahui apakah rata-rata tinggi badan siswa SMP berbeda dari 155 cm. Diketahui:
Sampel: 100 siswa
Rata-rata sampel: 157 cm
Simpangan baku: 10 cm
Gunakan α = 0,05
Pertanyaan:
a) Rumuskan H₀ dan H₁
b) Hitung nilai Z
c) Ambil kesimpulan
Evaluate responses using AI:
OFF
Answer explanation
A.) H₀: 𝜇=155
H₁: 𝜇≠155
B) 2,00
C) Z kritis pada uji dua sisi α = 0,05 → ±1,96
Z hitung = 2,00 > 1,96 → Tolak H₀
Kesimpulan: Ada perbedaan rata-rata tinggi badan dari 155 cm.
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Jika nilai statistik Z = 2,50 dan Z kritis = ±1,96, maka:
Gagal tolak H0
Tolak H0
Terima H1
Tolak H1
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