On Testing a Trend in Means in Oneway Layout

✍ Scribed by Chap T. Le

• Publisher: John Wiley and Sons
• Year: 1987
• Tongue: English
• Weight: 322 KB
• Volume: 29
• Category: Article
• ISSN: 0323-3847
• DOI: 10.1002/bimj.4710290211

✦ Synopsis

A feet for a trend in meane in oneway layout is discussed with particular emphasis on sample size determination. The pro@ method amounts to formulating a linear contnret among sample means and teeting it for significance. The resulting teat statistic is reduced to a t m t by B m o w et al. (1972) When sample eizetl are equal and to the Armitage-Kendell correlation teat for a trend in proportions when the responrw variable is dichotomous. The problem of sample size determination is discussed and illustrated with numerical examples.