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Oleh : Mochamad Umar Al Hafidz / 125150201111050
Informatika UB’12 / Probabilitas Dan Statistika





 Ho ditolak jika Z hitung < -1,64

 Ho= m ≥ 70.000
 H1 = m< 70.000


 Dari hasil penelitian di atas dapat

disimpulkan
bahwa
rata-rata
penerimaan anak penjual Koran
sebesar Rp. 70.000 per bulan.

 Bagaimana?
 Sudah Mengerti apa Belum?
Sebuah perusahaan disket mengklaim bahwa
rata-rata umur disket mereka adalah 60 bulan
dengan deviasi standar 16 bulan.
Untuk menguji hipotesis tersebut, maka bagian
produksi mengambil sampel secara random (acak)
sebanyak 64 disket dan setelah diuji ternyata ratarata umur disket tersebut 56 bulan.
Ujilah dengan a = 5%, apakah pernyataan dari
perusahaan tersebut benar?



 Ho ditolak jika Z hitung < -1,64

 H0=

≥ 60

 H1 =

< 60


 Dapat

disimpulkan bahwa rata-rata
umur disket dari seluruh disket yang
dihasilkan kurang dari 60 bulan.

😄 😄
Sekian Terimakasih

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Inferensi statistika

  • 1. Oleh : Mochamad Umar Al Hafidz / 125150201111050 Informatika UB’12 / Probabilitas Dan Statistika
  • 2.
  • 4.
  • 5.  Ho ditolak jika Z hitung < -1,64  Ho= m ≥ 70.000  H1 = m< 70.000 
  • 6.  Dari hasil penelitian di atas dapat disimpulkan bahwa rata-rata penerimaan anak penjual Koran sebesar Rp. 70.000 per bulan.  Bagaimana?  Sudah Mengerti apa Belum?
  • 7. Sebuah perusahaan disket mengklaim bahwa rata-rata umur disket mereka adalah 60 bulan dengan deviasi standar 16 bulan. Untuk menguji hipotesis tersebut, maka bagian produksi mengambil sampel secara random (acak) sebanyak 64 disket dan setelah diuji ternyata ratarata umur disket tersebut 56 bulan. Ujilah dengan a = 5%, apakah pernyataan dari perusahaan tersebut benar? 
  • 8.
  • 9.  Ho ditolak jika Z hitung < -1,64  H0= ≥ 60  H1 = < 60 
  • 10.  Dapat disimpulkan bahwa rata-rata umur disket dari seluruh disket yang dihasilkan kurang dari 60 bulan. 😄 😄 Sekian Terimakasih