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Exact(39)
Statistical analyses were performed to test significance of these differences: Fisher's Exact Test for nominal data (this test is appropriate for 2 × 2 tables when expected cell frequencies are low), and student's t-test for interval data (after verifying that both data series are normally distributed, which is a requirement when sample size is small).
The assessment of the relevance of the data should describe "the extent to which a test is appropriate for a particular hazard or risk assessment" [9], e.g., answer questions like: Is the measured endpoint a valid indicator of environmental risk?
An electronic medical record embedded with appropriate use criteria informs the referring or testing physician whether a test is appropriate, uncertain (more scientific studies are needed) or inappropriate.
Many doctors' offices buy off-the-shelf systems, primarily for billing purposes, that may not be able to track down redundancies or lack software to help doctors decide if a test is appropriate.
The agreement in place since August, which said testing would begin this season, stipulated that the union had to agree to procedures for testing, and the union has raised concerns about whether the established ratio for a positive human growth hormone test is appropriate for professional football players.
Because of the inequalities in the null and alternative hypotheses, a one-tailed test is appropriate.
Similar(20)
The X test was appropriate for these analyses.
Chi-square test was appropriate for categorical data.
The comparison of groups was performed with the Mann–Whitney U-test or the Kruskal-Wallis test were appropriate.
"However, it is very early days and we're not suggesting that pre-natal testing is appropriate because the penetrance of some of these CNVs is incomplete – they may not affect people equally.
Therefore, an independent sample t-test is appropriate for studying the differences associated with the methods applied to the 18 target organochlorine pesticides.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com