You have surveyed three (3) populations of organisms (A, B and C) using eleven (11) quadrats of fixed size. From these samples, you calculate the average density (standard deviation) in each population as: A: average = 14.7, standard deviation = 2.5 B: average = 4.9, standard deviation = 1.6 C: average = 0.9, standard deviation = 3.0 Which population (A, B or C) shows a clumped distribution? O A. C О В. В O C. A
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- 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?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 diabetesWhat is the value of a random sample? Will random sampling always ensure that a sample is representative of a population? Explain your answer.
- Provide an example of a research project in your hometown where you would choose to use a t-test for independent samples. Would you use a one-tail or two-tail test, and why? What is your null hypothesis and research hypothesis? If you have a sample size of 500, should you interpret the statistical significance or the effect size?10,000 individuals are sampled from a population and are found to display one of three blood types: AA with 6800 individuals, AB with 2800 individuals and type BB with 400 individuals. a) What is the frequency of each genotype in the population? b) What is the frequency of the A allele? c) What is the frequency of the B allele? d) If the next generation contains 25,000 individuals, how many would have blood type BB, assuming the population is in Hardy-Weinberg Equilibrium?A hypothetical population of 10,000 humans has 6848 individuals with the blood type AA, 2846 individuals with blood type AB, and 306 individuals with the blood type BB. What is the frequency of each genotype in this population? What is the frequency of the A allele? What is the frequency of the B allele? If the next generation contained 25,000 individuals, how many individuals would have blood type BB, assuming the population is in Hardy-Weinberg equilibrium?
- A hypothethical population of 10,000 humans has 6,840 individuals with the blood type AA, 2,860 individuals with blood type AB and 300 individuals with the blood type BB. What is the frequency of each genotype in this population? AA = AB = BB = What is the frequency of the A allele? What is the frequency of the B allele? If the next generation contained 25,000 individuals, how many individuals would have blood type BB, assuming the population is in Hardy-Weinberg equlibrium?A hypothetical population of 10,000 humans has 6840 individuals with the blood type AA, 2860 individuals with blood type AB and 300 individuals with the blood type BB. If the next generation contained 25,000 individuals, how may individuals would have BB blood type, assuming the population is in Hardy-Weinberg equilibrium? Express as a whole number.A Researcher decided to put students into groups based on their Cumulative Weighted Averages and had four different groups. He then systematically selected one student from each group and assigned some clear roles and responsibilities. Here, the researcher used ……………………..in selecting the students. a.Simple random samplingb.Cluster random samplingc.Stratified random samplingd.Two stage cluster samplinge.Convenience sampling In a short sentence each, explain THREE of the sampling types indicated in the options above
- Using a chi-square analysis attached below, determine whether the following population is under Hardy-Weinberg equilibriumWhich of the lab field techniques would you use to answer each of the following questions? Answer choices on bottom A-E. What is the population size of Black Bears in New Jersey? What is the dominate tree species in the forest on campus? How many species of birds are found within five miles of my home? Are the Beech trees in the forest on campus producing enough offspring to replace themselves? What is the density of dandelions in the lawn? Is the population of warblers in Scotland Run park in decline? A. Daubenmire plots B. BBS C. Mark/Recapture D. Point Centered Quarter E. Life Table AnalysisSelect ant article, and provide a reference link so your article can be accessed. (any)Read the article and provide a summary of the article and any research done. 2-3 paragraphs will be sufficient. Look at the statistics used in the article. What was the research question (hypothesis)? What parameter would be of interest in this study (population mean, population proportion, population standard deviation, etc.) What was the statistical test run in the analysis? (Did they run a regression analysis, Z-test, T-test, ANOVA, etc.) Write 2-3 paragraphs on this. Reflect on why you chose the article and its applicability to nursing practice. I was helped with this but it was on my old account please help again.