Sentence examples for required a sample of from inspiring English sources

To produce these same effect sizes with over 80% power would have required a sample of approximately 300.

A power analysis (G*Power 3.1.5 11), with a bilingualism effect expressed as a partial R of 0.02 in a multiple regression model of 9 predictors, required a sample of 640 for a power of 0.95, deeming our sample sufficient.

Assuming an estimated PPV of 0.85 for any one algorithm, we required a sample of at least 77 individuals in each algorithm to achieve the desired accuracy (95% CI ±0.08).

Specifying an alpha level = 0.05, a beta = 0.20 (study power = 80), we required a sample of at least 30 patients to ensure detection of a 1/2 standard deviation improvement.

17 To detect a 50% improvement in the proportion of patients in the intervention group with a systolic blood pressure greater than 140 mm Hg with 80% power and an α of 0.05 required a sample of 408 patients.

Sample size calculation was done on an assumption of 75% v 95% success at ileal intubation with the PP comp, and at 90% power this required a sample of 150 patients.

Each test is different but some require a sample of blood or saliva.

The empirical stochastic analysis requires a sample of the message realizations.

The cost of this approach is that it requires a sample of sufficient size to reduce the chance of clustering in the random times chosen.

For input it requires a sample of a mutually independent data set drawn from the original parent data, but having the same annual maxima as that parent.

Just one small saving: Instead of conventional drug testing, requiring a sample of 1,000 people for a drug approval test, using diagnostics screening might cut that sample to maybe 400 people, according to Knowles.