Institution: | 1. Department of Statistics, Faculty of Arts and Science, Ondokuz Mayis University, Samsun 55139, Turkey;2. Department of Statistics, Faculty of Science, Ankara University, Ankara 06100, Turkey;3. Department of Statistics, Faculty of Arts and Science, Giresun University, Giresun 28200, Turkey;4. Department of Statistics, Faculty of Science, Hacettepe University, Ankara, Turkey |