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Soal 1
Seorang mahasiswa bernama Boni
Slamet dalam penelitian ingin
mengetahui apakah ada perbedaan
nilai ujian mata kuliah Statistika
antara kelas A dan B. Penelitian ini
menggunakan sampel sebanyak 20
orang untuk masing-masing kelas.
Data yang berhasil dikumpulkan ada
pada tabel berikut.
Responden Kelas A Kelas B
1 70 55
2 85 40
3 65 65
4 30 85
5 55 80
6 90 60
7 85 50
8 80 85
9 55 80
10 65 65
11 65 60
12 80 45
13 60 70
14 60 65
15 55 65
16 75 45
17 85 65
18 80 85
19 55 80
20 70 65
Pertanyaan
Ujilah apakah ada perbedaan nilai
ujian mata kuliah Statistika antara
kelas A dan B dengan taraf
kepercayaan 95% (taraf signifikan α
= 0,05)
Soal 2
Seorang mahasiswa bernama Aziza Datau dalam penelitian ingin mengetahui apakah ada
perbedaan rata-rata nilai ujian Matematika antara sebelum dan setelah mengikuti les sore
hari yang diadakan pihak sekolah. Objek penelitian ini sebanyak 20 orang SD 11 Cempaka
Putih. Data yang berhasil dikumpulkan ada pada tabel berikut.
Pertanyaan
Ujilah apakah ada perbedaan rata-rata nilai ujian mata pelajaran Matematika antara sebelum
dan setelah les dengan taraf kepercayaan 95% (taraf signifikan α = 0,05)
Responden Sebelum Setelah Responden Sebelum Setelah
1 60 75 11 65 85
2 60 75 12 75 75
3 75 85 13 70 80
4 80 45 14 75 55
5 60 50 15 45 65
6 85 40 16 40 70
7 70 50 17 40 75
8 65 65 18 50 55
9 65 80 19 50 60
10 55 70 20 55 40

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Uji Perbedaan Nilai Ujian Statistika Kelas A dan B

  • 1. Soal 1 Seorang mahasiswa bernama Boni Slamet dalam penelitian ingin mengetahui apakah ada perbedaan nilai ujian mata kuliah Statistika antara kelas A dan B. Penelitian ini menggunakan sampel sebanyak 20 orang untuk masing-masing kelas. Data yang berhasil dikumpulkan ada pada tabel berikut. Responden Kelas A Kelas B 1 70 55 2 85 40 3 65 65 4 30 85 5 55 80 6 90 60 7 85 50 8 80 85 9 55 80 10 65 65 11 65 60 12 80 45 13 60 70 14 60 65 15 55 65 16 75 45 17 85 65 18 80 85 19 55 80 20 70 65 Pertanyaan Ujilah apakah ada perbedaan nilai ujian mata kuliah Statistika antara kelas A dan B dengan taraf kepercayaan 95% (taraf signifikan α = 0,05)
  • 2. Soal 2 Seorang mahasiswa bernama Aziza Datau dalam penelitian ingin mengetahui apakah ada perbedaan rata-rata nilai ujian Matematika antara sebelum dan setelah mengikuti les sore hari yang diadakan pihak sekolah. Objek penelitian ini sebanyak 20 orang SD 11 Cempaka Putih. Data yang berhasil dikumpulkan ada pada tabel berikut. Pertanyaan Ujilah apakah ada perbedaan rata-rata nilai ujian mata pelajaran Matematika antara sebelum dan setelah les dengan taraf kepercayaan 95% (taraf signifikan α = 0,05) Responden Sebelum Setelah Responden Sebelum Setelah 1 60 75 11 65 85 2 60 75 12 75 75 3 75 85 13 70 80 4 80 45 14 75 55 5 60 50 15 45 65 6 85 40 16 40 70 7 70 50 17 40 75 8 65 65 18 50 55 9 65 80 19 50 60 10 55 70 20 55 40