Moose 1 2 3 4 5 6 xa: WOLVES ABSENT Fat (x) 43 49 14 57 31 19 35.5 x-xa (x-x₂)² Moose 7.5 56.25 13.5 -21.5 21.5 -4.5 182.25 462.25 o a: 462.25 20.25 -16.5 272.25 Sum of squared differences: 1455.5 1 2 3 4 5 6 xp: WOLVES PRESENT Fat (x) 76 68 52 38 62 81 62.8
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- Suppose that you are interested in estimating a population mean. You select a random sample of items, and compute the sample mean and the sample standard deviation. You then compute a 95% confidence interval to be LCL=28.4 - UCL=37.9. So what does that mean? It means that you are 95% confident that the unknown population mean that you are estimating is between the LCL and UCL. So what does that mean? It means that if you were to iterate this sampling process many times, say 100, and calculate 100 confidence intervals, then 95 of those intervals will contain the unknown population mean, and 5 will not. Give me an example of how CI can be used in your work. FYI I work in Endocrinology dept. Specific diabetesAssume that these two loci are the only sources of additive genetic variance for body mass. The total phenotypic variance for body mass in the population is 10 kg2. What is the narrow sense heritability (h2) of body mass in this population?Sickle-cell anemia is a recessive disease that afflicts approximately 1 in 12 African Americans, meaning that the frequency of ss homozygotes is 0.09. Assuming the African American population is in Hardy-Weinberg equilibrium, what is the frequency of Ss carriers in this population?
- In cats, all-white color is dominant over colors other than all-white. In a population of100 cats, 19 are all-white. Assuming that the population is in Hardy–Weinbergequilibrium, what is the frequency of the all-white allele in this population?Seven sauropod dinosaurs of the same species (Apatosaurus ajax) from the same population in Montana have neck lengths of 7.3, 8.0, 7.7, 7.8, 8.3, 8.4, 7.9, and 8.0 meters. A different population of the same species from Utah has neck lengths of 8.0, 8.3, 8.3, 8.8, 8.1, 9.0, and 9.3 meters. a) Calculate the mean, median and mode for each population. b) If wanted to compare data from the two populations, what type of graph would you choose and why?The calculated chi-square value which is 0 is less than the critical value which is 5.991 (under the degree of freedom 2). What is the probability of the computed chi-square value? And is it part of the population in Hardy-Weinberg equilibrium?
- Give only typing answer with explanation and conclusion In a class of 13 students, 2 had type A blood, 4 had type B, I had type AB, and 6 had type O. Assuming that this population is in Hardy-Weinberg equilibrium, calculate the frequencies of the three alleles (IA, IB , i )Suppose that a team of researchers analyzes the heritability of high SAT scores and assigns a heritability of 0.75 for this ability. The team also determines that a certain ethnic group has a heritability value that is 0.12 lower compared with that of other ethnic groups. The group concludes that there must be a genetic explanation for the differences in scores. Why is this an invalid conclusion?Choose the correct answer regarding heritability estimates:Which is more useful for predicting how a population will respond to selection? Which is higher, broad- or narrow-sense heritability?1. broad-sense heritability (H2) 2. narrow-sense heritability (h2)
- A population of 1000 beetles has 600 individuals that have genotype QQ, 100 individuals that have genotype Qq, and 300 individuals that have genotype qq. a) Calculate f(Q) and f(q) for this population. Show your work and don’t assume HWE. b) Calculate f(QQ), f(Qq), and f(qq) for this population. Show your work and don’t assume HWE. c) Calculate the expected genotype frequencies if the population is in Hardy-Weinberg equilibrium. Show your work. d) Does this population appear to be at Hardy-Weinberg equilibrium? Why or why not? (Although answering this question rigorously would require a statistical test, you don’t need to do that here.).For what human behaviors ,if any, are you sure that heritability would be extremely low? give at least 2-3sentences.Gray tree frog (Hyla versicolor) males call to females, and their calls can be characterized bythe pulse number and call period. The additive genetic variance of pulse number is 0.37,the additive genetic variance of call period is 0.16, and the covariance of the two traits is0.25. What is the additive genetic correlation of the two traits?