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DAFTAR ISI Halaman KATA PENGANTAR .............................................................................................................. .............................................................................................................. iv RINGKASAN .............................................................................................................. .............................................................................................................. v DAFTAR ISI .............................................................................................................. .............................................................................................................. vi DAFTAR GAMBAR .............................................................................................................. .............................................................................................................. viii DAFTAR TABEL .............................................................................................................. .............................................................................................................. ix DAFTAR LAMPIRAN .............................................................................................................. .............................................................................................................. x I.

PENDAHULUAN .............................................................................................................. .............................................................................................................. 1 1.1

Latar

Belakang

Masalah vi

..................................................................................................... ..................................................................................................... 1 1.2

Tujuan ..................................................................................................... ..................................................................................................... 2

1.3

Batasan Masalah ..................................................................................................... ..................................................................................................... 2

1.5

Sistematika Penulisan ..................................................................................................... ..................................................................................................... 3

II. ORIENTASI UMUM .............................................................................................................. .............................................................................................................. 4 2.1

Sejarah Singkat PERTAMINA UP V Balikpapan .................................................................................................... .................................................................................................... 4

2.2

Fungsi

dan

Tugas

Laboratorium

Laboratorium

Produksi

PERTAMINA UP V Balikpapan......................................................... ............................................................................................................ 5 2.3

Struktur Organisasi Laboratorium Produksi PERTAMINA UP V Balikpapan.......................................................................................... ............................................................................................................ 6

2.4

Sarana dan Fasilitas Laboratorium Produksi PERTAMINA UP V Balikpapan.......................................................................................... ............................................................................................................ 8 vii

III. DASAR TEORI .............................................................................................................. .............................................................................................................. 10 3.1

Uji Grubbs ......................................................................................... ............................................................................................................. 11

3.2

Uji Robust Z-Score ............................................................................. ............................................................................................................. 13

IV. EVALUASI PENGGUNAAN UJI GRUBBS DAN ROBUST Z-SCORE PADA PENGOLAHAN DATA HASIL UJI PROFISIENSI INTERNAL LABORATORIUM PRODUKSI PERTAMINA UP V BALIKPAPAN ..... ...................................................................................................................... 20 4.1

Data Hasil Uji .................................................................................... ............................................................................................................ 20

4.2

Pengolahan Data ................................................................................ ............................................................................................................ 24

4.3

Evaluasi Uji Grubbs dan Robust Z-Score .......................................... ............................................................................................................ 41

V. PENUTUP .............................................................................................................. .............................................................................................................. 43 5.1

Simpulan ........................................................................................... ............................................................................................................ 43

5.2

Saran .................................................................................................. ............................................................................................................ 43 viii

DAFTAR PUSTAKA LAMPIRAN

ix