sample sizes meaning

• [Medicine]
  The number of units (persons,animals,patients,specified circumstances,etc.) in a population to be studied. The sample size should be big enough to have a high likelihood of detecting a true difference between two groups. (From Wassertheil-Smoller,Biostatistics and Epidemiology,1990,p95)

• If, however, the sample sizes are large enough, we do not need the assumption of normality.
• Different sample sizes were used in these methods to find the minimum sample size for each method
• Prior studies all were based on small sample sizes as well.
• The stations did not give sample sizes or an error margins.
• Therefore, the estimator is approximately unbiased for large sample sizes.
• The stations did not give sample sizes or a margin of error.
• As would be expected, larger sample sizes give smaller standard errors.
• Larger sample sizes generally lead to increased estimating unknown parameters.
• Sample sizes are judged based on the quality of the resulting estimates.
• For large sample sizes " U " is distributed normally.

• "sample sizes" meaning in Chinese: 《英文msh词典》Sample Sizes