qc kel 2
DESCRIPTION
tugas kelompokTRANSCRIPT
PROSEDUR KERJA KELOMPOK II
Siapkan Jangka Sorong Siapkan 100 buah paku ukuran 3 inci Lakukan pengukuran diameter dari paku Buat tabulasi hasil pengukuran Hitung Mean Dan Median dari data yang didapat Buat Distribusi Frekuensi Gambarkan Histogram Hasil Pengukuran menggunakan aplikasi MiniTab dan Ms. Excel
ALAT DAN BAHAN
METODE PENGAMBILAN DATA1. DIAMETER PAKUa. Jarak ( Range )b. Tabulasi ( Tabulation )c. Rata rata ( Average )d. Nilai Tengah ( Median )e. Histogram ( Histogram )
DIAMETER PAKUAlat Ukur : Jangka SorongKetelitian : 0,01 mmDiameter Paku
4,094,124,144,164,18
4,14,124,144,164,19
4,14,124,144,164,19
4,14,124,144,164,19
4,114,124,144,164,19
4,114,124,154,164,19
4,114,124,154,164,2
4,114,124,154,164,2
4,114,124,154,174,2
4,114,124,154,174,21
4,114,124,154,174,23
4,114,124,154,174,23
4,114,134,154,184,23
4,114,134,154,184,24
4,114,134,154,184,25
4,114,134,154,184,25
4,124,134,154,184,26
4,124,134,154,184,26
4,124,134,164,184,38
4,124,144,164,184,51
TABULASIDiameterTabulasiDiameterTabulasi
4,09I4,19IIIII
4,1III4,2III
4,11IIIII IIIII II4,21I
4,12IIIII IIIII IIIII I4,23III
4,13IIIII II4,24I
4,14IIIII I4,25II
4,15IIIII IIIII III4,26II
4,16IIIII IIIII4,38I
4,17IIII4,51I
4,18IIIII IIII
Ra = XL - XH = 4,51-4,09 = 0,42
FREKUENSI DISTRIBUSI DARI DIAMETER PAKUIntervalTabulasiFrekuensi ( fi )Frekuensi KumulatifNilai Tengah ( xi )( fi . Xi )
4,09-4,1425IIIII IIIII IIIII IIIII IIIII IIIII IIIII IIIII IIIII IIIII50504.11625205,8125
4,1425-4,195IIIII IIIII IIIII IIIII IIIII IIIII IIIII IIIII I41914.16875170,91875
4,195-4,2475IIIII II7984.2212529,54875
4,2475-4,30984.273750
4,3-4,35250984.326250
4,3525-4,405I1994.378754,37875
4,405-4,45750994.431250
4,4575-4,51I11004.483754,48375
Totaln = 100 = 415,1425
RATA - RATAAverage MedianX = Me = Lm + ( ) i = = 4,09 + ( ) 0,0525 = 4,151425 = 4,09
JUMLAH INTERVAL DAN LEBAR INTERVAL1. Jumlah IntervalJumlah interval = 1 + 3,3 log nn = 100 = 1 + 3,3 log 100 = 1 + 3,3 ( 2 ) = 1 + 6,6 = 7,6 8
2. Lebar IntervalLebar interval = = = 0,0525
HISTOGRAM
Gambar histogram otomatis menggunakan MiniTab 17
Gambar histogram manual menggunakan Microsoft Excel 2010
Kelompok 2Page 5