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Pengujian Hipotesa Sampel Kecil Bab 14
Fungsi, Variabel, dan Masalah dalam Analisis Regresi
Bagian I Statistik Induktif
Metode dan Distribusi Sampling
Teori Pendugaan Statistik
Pengujian Hipotesa Sampel Besar
Pengujian Hipotesa Sampel Kecil
Analisis Regresi dan Korelasi Linier
Analisis Regresi dan Korelasi Berganda
Sampel Kecil dan Ciri-ciri Distribusi t-student
Pengujian Rata-rata Hitung Populasi
Pengujian Selisih Rata-rata Hitung Populasi
Pengujian Data Berpasangan
Analisis Varians
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xt
sn
x
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0
Distribusi Z
Distribusi t, v= n - 1= 25
Distribusi t, v= n- 1= 15
Distribusi t, v= n - 1= 2
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1,645
Distribusi Z Daerah penolakanTaraf nyata 5%
Skala Z
Daerah tidak menolak Ho
Daerah penolakanTaraf nyata 5%
2,042 Skala t
Daerah tidak menolak Ho
Distribusi t
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2 22 1 1 2 2
1 2
(n 1)(s ) (n 1)(s )S p
(n n ) 2
1 2
21 2
x xt
S p 1 n 1 n
1x
2x
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Uji statistik untuk pengujian hipotesis data berpasangan dinyatakan sebagai berikut:
dan standar deviasi (sd) dirumuskan sebagai berikut:
di mana: t : Nilai distribusi t : Nilai rata-rata perbedaan antara pengamatan berpasangan Sd : Standar deviasi dari perbedaan antara pengamatan berpasangan n : Jumlah pengamatan berpasangan d : Perbedaan antara data berpasangan
9
d
22
(d)d
nSdn 1
dt
sd/ n
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df(5,5)
df(29,28)
df(20,7)
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