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Kelompok 1

Kelompok 1. Nama Anggota : ISMALINDA SEHAPUTRI M AVELINO MARIA DE JESUS MARCAL DWI SULISTIARINI HAIBAN HAJJID ARSYADANA MARLIN ANASTASIA ARIESTA ROBBY ADWA FAHLEPI. ?. ?. ·. BEHAVIOR OF SAMPLING VARIANCE IN TWO STAGE SAMPLING WHEN NUMBER OF SAMPLE FSU’S IS FIXED. ?. ?.

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Kelompok 1

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  1. Kelompok 1

  2. Nama Anggota : ISMALINDA SEHAPUTRI M AVELINO MARIA DE JESUS MARCAL DWI SULISTIARINI HAIBAN HAJJID ARSYADANA MARLIN ANASTASIA ARIESTA ROBBY ADWA FAHLEPI

  3. ? ? · BEHAVIOR OF SAMPLING VARIANCE IN TWO STAGE SAMPLING WHEN NUMBER OF SAMPLE FSU’S IS FIXED ? ?

  4. Totalvarians dari two stage sampling terdiridarivarians between danvarians within. Untuk menurunkan nilai variansnya dapat dilakukan dengan dua cara yaitu : • Meningkatkan nilai n dan • Meningkatkan kedua nilai n dan m • Varians sampling untuk estimasi total two stage dapat dituliskan dalam bentuk: • … (1)

  5. Di mana A1dan A2iadalahmasing-masingkoefisiendaridandan A3 adalahbersifatkonstan (tetap). jika, di manabergantungpadapenentuanmetodenilaidari,yang menjadi: … (2) di mana A1, A2 dan A3 adalahfungsi parameter populasi two stage danukuransampeln danm independen. bernilai nol. Rumusrasiovariansuntukjumlahsampelfsu fix adalah: ratio varians =

  6. TABLE 9.1 BEHAVIOR OF SAMPLING VARIANCE IN TWO STAGE SAMPLING WHEN NUMBER OF SAMPLE FSU’S IS FIXED

  7. CONTOH untukA1:A2 = 4:1 dan m = 4 makarasiovariansnyaadalah: rasiovarians = = = 0,85 Karenapada table dalambentukpersenjadidikali 100% sehingganilainyamenjadi 85%

  8. CONTOH untuk A1:A2 = 1:4 dan m = 4 makarasiovariansnyaadalah: rasiovarians = = = 0,4 Karenapada table dalambentukpersenjadidikali 100% sehingganilainyamenjadi 40% Untukjumlahsampelpadatahappertama (n) fix, apabilajumlahsampeltahapkedua (m) besarmakarasiovariansnyaakansemakinkecil. Jikadilihatdari A1:A2, ketikanilai A1>A2 rasiovariansnyaakanlebihbesarjikadibandingkandengannilai A1<A2.

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