Black/White Mortality Rate Ratio 2.5 1.5 0.5 ▬▬▬▬▬▬▬▬ 2000 Black vs White Mortality Rate Ratio New York City 2001 United States 2002 2003 Chicago 2004 2005 Year Figure 2. Black/white breast cancer mortality disparity ratio, New York City, United States, and Chicago, 2000-2005. (Adapted from Ansell et al., 2009.)
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- “Calculate the rates specified below (a to c), using the following information about the black population of the United States in 2000 (numbers were modified to simplify calculations) “( be careful to use the correct denominator) Average population size 28 million, including 7.2 million women aged 15-44. There were 13 million men in this population. Live births: 600,000 Fetal deaths: 4380 Death in the first week of life: 6120 Death in the first 28 days of life (excluded first week): 960 Death in the first year of life (excluding in the first 28 days): 3900 Total deaths in the population: 230,000 Deaths from heart diseases: 75,000, of those 45,000 occurred among men aged 35 years and above What is the fetal mortality rate? What is post-neonatal mortality rate? What is the sex -specific mortality rate from heart diseaseOnce upon a time there was a population of hippies living in an isolated commune called Gone. They had been there for generations, and all members were homozygous for a gene that gave them a preference for crafting necklaces out of green beads, so that every individual had the genotype GG at this locus. In another isolated commune, called Yonder, was a population of hippies that had a genetic propensity for making necklaces out of yellow beads, and everyone was homozygous for a different allele at the same genetic locus; their genotype was YY. Last year (prior to our current social isolating) everyone repaired their W buses, and a giant gathering in celebration of the 50th anniversary was held at the Oregon Country Fair. The next few questions will ask you about these two populations that came together at the fair. Genotype Observed Expected (0-E) (0-E)2 (O-E)?/E GG 81 79.2 81-79.2-1.8 1.82=3.24 3.24/79.2=0.04 12.96/105.6=0. GY 102 105.6 102-105.6=-3.6 -3.62=12.96 12 YY 37 35.2…4.2c
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- Which of the following statements is true of the relationship between sample sizes and effect sizes? The larger the true difference, the larger the sample size required to demonstrate superiority Small studies that ask the same research question are more likely to vary in their estimate of the between-group difference than large studies There is no relationship between effect size and sample size The bigger the expected effect, the bigger the required sample sizeA population is made up of individuals where 77 have the A1A1 genotype, 65 have the A1 A2 genotype, and 123 have the A2A2 genotype. What is the allele frequency of A1? Answer to 2 decimal places.A UNF research team was exploring populations of worms on Greenwich and Half Moon Islands. They counted the number of worms on each island and recorded the information below. Greenwich Island AA: 42 Aa: 108 aa: 83 Half Moon Island -AA: 57 Aa: 21 aa: 49 What is the dominant allele frequency for Greenwich Island? Retain 3 decimal places.