Additionally, study characteristics such as measurement instrument used, population sampled, or aspects of the studies'design can be coded and used to reduce variance of the estimator ( see statistical models above ).
32.
The effects of Swedish snus on blood pressure has been studied at Ume?University in a randomly selected population sample of 4, 305 Swedish men between the ages of 25 and 74.
33.
In a similar population sample of people who have practised no preconception care, you would expect about 70 women to experience a miscarriage and about 12 children to be born with a malformation.
34.
Judging from population sampling and sex ratios in the mid-1990s, for every 1, 000 babies that were born in China, another 51 female babies should have been born but are not accounted for.
35.
And, countering Neufeld's suggestions that his population samples were racially skewed and failed to take into account the distinctive demographics of Los Angeles, Weir said that the genetic differences between the races were overstated.
36.
The broad study of African genetic diversity found the ?Khomani San people to express the greatest genetic diversity among the 113 distinct populations sampled, making them one of 14 " ancestral population clusters ".
37.
One broad study of African genetic diversity completed in 2009 found that the San were among the five populations with the highest measured levels of genetic diversity among the 121 distinct African populations sampled.
38.
An objective sampling method would chose populations randomly and systematically across the world, including those populations which are characterized by historical intermingling, instead of cherry-picking population samples which fit a priori concept of racial classification.
39.
The University of Utah study ( with a population sample of 606 teens ages 14 18 ) stated that about one third of respondents did not consider legal or other consequences when receiving or sending sexts.
40.
The authors noticed a paucity of haplogroup R1b in European population samples predating the Bronze Age, with only one of the 70 individuals from Mesolithic and Neolithic Europe belonging to haplogroup R1 or any of its branches.
