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Minimum Sample Size for Estimating Progeny Mean and Variance 1
Author(s) -
Wu Kuo Kao,
Heinz Don J.,
Meyer Hans K.,
Ladd Sheldon L.
Publication year - 1978
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1978.0011183x001800010016x
Subject(s) - biology , sample size determination , statistics , saccharum , population , stalk , trait , sample (material) , variance (accounting) , sample variance , selection (genetic algorithm) , mathematics , zoology , agronomy , demography , horticulture , chemistry , accounting , chromatography , artificial intelligence , sociology , computer science , business , programming language
Minimum sample size is defined as the minimum number of individuals necessary to estimate, with reasonable precision, mean and variance of a trait in a population. Repeated random samples for various sample sizes were taken for each of four yield components in five sugarcane ( Saccharum sp.) hybrid populations grown in two contrasting environments over 2 years in three selection stages. Means and variances of the samples were compared with those of the populations. Forty individuals from a population were found to be the minimum sample size required to estimate mean and variance for refractometer solids, stalk number, stalk diameter, or stalk length.