oleh Rantini, Dwi; Department of Statistics, Institut Teknologi Sepuluh Nopember , Inas, Rosyida; Department of Statistics, Institut Teknologi Sepuluh Nopember , Purnami, Santi Wulan; Department of Statistics, Institut Teknologi Sepuluh Nopember

oleh Rantini, Dwi; Department of Statistics, Institut Teknologi Sepuluh Nopember, Indonesia. , Octavanny, Made Ayu Dwi; Department of Statistics, Institut Teknologi Sepuluh Nopember, Indonesia , Kruba, Rumaisa; Department of Statistics, Institut Teknologi Sepuluh Nopember, Indonesia , Kuswanto, Heri; Department of Statistics, Institut Teknologi Sepuluh Nopember, Indonesia , Fithriasari, Kartika; Department of Statistics, Institut Teknologi Sepuluh Nopember, Indonesia.