共 50 条
- [21] MINIMUM COST SAMPLE ALLOCATION ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1990, 199 : 5 - AGRO
- [22] COST FACTORS IN SAMPLE DESIGN JOURNAL OF THE MARKET RESEARCH SOCIETY, 1966, 8 (02): : 116 - 122
- [28] A Geometrical Interpretation of an Alternative Formula for the Sample Covariance AMERICAN STATISTICIAN, 2011, 65 (02): : 110 - 112
- [29] THE INTERPRETATION AND ESTIMATION OF EFFECTIVE SAMPLE-SIZE JOURNAL OF CLIMATE AND APPLIED METEOROLOGY, 1984, 23 (05): : 800 - 811