Sentences with phrase «equal number of samples»

For the differential expression analysis across different post-mortem blood intervals, we first divided the post-mortem samples in four groups, which provided an equal number of samples in each group: G1 (n = 56): 0 < pmi < = 406 min; G2 (n = 56): pmi > 406 and pmi < = 635; G3 (n = 56): pmi > 635 and pmi < = 867; G4 (n = 55): pmi > 867 and pmi < = 1401.

The researchers examined an equal number of samples (72) of normal kidney and kidney cancer tissues.

For the sample characteristics, k equals the number of samples; for the parenting characteristics, k equals the number of analyses

Not exact matches

Since the percentage of phone numbers that connect to mobile phone — wielding young people and elderly landline users is about equal, it's actually the youthful folks who may dominate a sample created by random digit dialing, says Marc - David Seidel, an associate professor at the Sauder School of Business at the University of British Columbia.

The researchers also sampled an equal number of registered and anonymous contributors, although anonymous contributors outnumbered registered users by a ratio of 10 to one.

The smaller sample was drawn from the Southwest Baltimore site of the Exploring Health Disparities in Integrated Communities (EHDIC) study, an ongoing study by researchers at the Johns Hopkins Center for Health Disparities Solutions of race disparities within communities where approximately equal numbers of both African Americans and non-Hispanic whites live and where median incomes are similar.

Certainly, more accurate population averages would be obtained if each sample were composed of equal numbers of males and females.

All things being equal, students in countries with centralized exams scored 16 points higher in math and 11 points higher in science, although the science finding is not statistically significant due to the small number of countries in the sample (see Figure 3 for results).

INCLUDES 1 Hands - On Standards Math Teacher Resource Guide Grade 7 with 32 lessons TOPICS Ratios and Proportional Relationships Proportional relationships Constant of proportionality Equations of proportional relationships The Number System Add and subtract integers Multiply and divide integers Expressions and Equations Mixed numbers, decimals, and percents greater than 100 % Covering fractions, decimals, and percentages Fraction, decimal, and percentage combinations that equal one Solving linear equations Two - step linear equations Geometry Scale factor Construct triangles Circumference of a circle and pi Area of a circle Area of irregular figures Polygons: exploring area Statistics and Probability Population sampling Modeling probability: building spinners Theoretical and experimental probability with spinners and dice Modeling probability: relationships between events Probability and fairness Finding probability without replacement Compound events: making an organized list and tree diagram

INCLUDES 1 Hands - On Standards Math Teacher Resource Guide Grade 7 with 32 lessons TOPICS Ratios and Proportional Relationships Proportional relationships Constant of proportionality Equations of proportional relationships The Number System Add and subtract integers Multiply and divide integers Expressions and Equations Mixed numbers, decimals, and percents greater than 100 % Covering fractions, decimals, and percentages Fraction, decimal, and percentage combinations that equal one Solving linear equations Two - step linear equations Geometry Scale factor Construct triangles Circumference of a circle and pi Area of a circle Area of irregular figures Polygons: exploring area Statistics and Probability Population sampling Modeling probability: building spinners Theoretical and experimental probability with spinners and dice Modeling probability: relationships between events Probability and fairness Finding probability without replacement Compound events: making an organized list and tree diagram Resources Polygons: Exploring Area Sample Lesson

When you imply that the goodness of a model's predictions can be assessed from a sample of a size that is less than or equal to 2, it sounds as though you are a believer in the law of small numbers.

It is as if scientific truth equals the sum of all the papers produced on a scientific subject divided by their number, and that for truth and democracy to triumph, he just has to precis a sample of them, and distribute them between the categories of «worse...» or «better than previously thought», so that our minds can be made up by the law of averages.

That is why it is true that (all other things being equal) statistically speaking, the larger the number of samples, the better.

As unequal margin totals can negatively affect accuracy estimates (Cicchetti, 2001), analyses included all criterion positives and a random sample of an equal number of criterion negatives.

The sample contained approximately equal numbers of boys and girls.

In the baseline survey (Wave 1) at each site, we aimed to survey samples of 50 smokers or recent ex-smokers (who had quit ≤ 12 months previously, to examine relapse) and 25 non-smokers (never - smokers and ex-smokers who had quit > 12 months previously) from the Aboriginal and Torres Strait Islander community, with equal numbers of men and women and in each of two age groups (18 — 34 and ≥ 35 years).

This means that the sample size of a meta - analysis equals the number of included trials, often a few dozen, and that all within trial variance is ignored (Lipsey 2003).

In other words, a GENESYS RDD sample ensures an equal and known probability of selection for every residential telephone number in the sample frame.