Sample size affects the precision of the analysis of variance in experiments with cauliflower seedlings
Karina Chertok Bittencourt, Marcos Toebe, Rafael Rodrigues de Souza and 2 more
Ciência Rural · 2022
doi:10.1590/0103-8478cr20220180 (opens in a new tab)
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Abstract
ABSTRACT: This study verified whether sample size would affect the precision of the analysis of variance in experiments with cauliflower seedlings. An experiment was carried out where the number of leaves and shoot, root and total length were measured. For each variable, resamplings with repositions were performed in sample scenarios of 1, 2, …, 100 seedlings per experimental unit, and the sample size was defined for the variance components through Schumacher models and maximum curvature points. The mean squares of the analysis of variance suffer direct interference from the number of sampled seedlings. The sampling of 16 seedlings per experimental unit is enough to estimate the analysis of variance reliably, promoting satisfactory precision gains compared to the sampling of only one seedling per experimental unit.
Abstract licence: CC BY-NC
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