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What information does the
association between two variables?
Biostatistics is a branch of science which deals with the application of statistical methods and formulas to design and develop biological experiments. It also helps to conduct research and make valid inferences from that in areas of biology, public health and medicine.
Correlation coefficient is one such biostatistical formula to aid the research.
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- What information do the mean and variance provide about a distribution?When a correlation coefficient is statistically significant, what doyou conclude about the two variables? What do the results meanwith regard to cause and effect?What does P-value indicate? In statistical analysis the results for two sets of data are presented with P < 0.01 and P<0.005. What does it mean?
- With respect to the concerted model, what is the L value? What is the c value?What is the Hardy-Weinberg Principle of Equilibrium? Why is it a useful concept? To what does each component (p, q, p2, 2pq, q2) in the equation refer?Using the data and the graph in the picture, do a chi-square and its statistical analysis?
- The Hardy-Weinberg model is considered a "null model". What is meant by the term null model and why does it apply in the case of Hardy-Weinberg equilibrium?A correlation coeffiicient of zero means two variables do not vary in a consistent way with each other. True or false?What does the likelihood ratio mean?
- A) If other factors are held constant, how does sample variance influence the likelihood of rejecting the null hypothesis and the measure of effect size (i.e. Cohen’s d)? B) Briefly explain what least square solution is.Let X, Y ~ U(0, 1) be independent random variables uniformly distributed over (0, 1) and Z = X+2Y. (a) Find the LMMSE estimator of X given Z. (b) Find the MMSE estimator of X given Z. Is LMMSE and MMSE estimator the same?Please provide examples of the (Hardy-Weinberg Law P^2 + 2pq + q^2 = 1)