Affiliation:
1. University of Louisville.
Abstract
When a pilot study variance is used to estimate σ2 in the sample size formula, the resulting [Formula: see text] is a random variable. The authors investigate the theoretical behavior of [Formula: see text]. Though [Formula: see text] is more likely to underachieve than overachieve the unbiased n, correction factors to balance the bias are provided.
Subject
Marketing,Economics and Econometrics,Business and International Management
Cited by
4 articles.
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