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Sample of n=32 individuals is selected from a population that forms a normal distribution with mean μ=52. A treatment is administered to the sample and, after treatment, the sample is measured to evaluate the effect of the treatment. Be sure to show all formulas with symbols (and plug in numbers), steps, processes and calculations for all parts of the answers below.
a. Assuming that the population standard deviation is σ=7, compute Cohen's d to measure the effect size for a sample mean of M=42
b. Assuming that standard deviation, σ=3, compute Cohen's d to measure the effect size for a sample mean of M=42
c. Assuming that standard deviation, σ=9, compute Cohen's d to measure the effect size for a sample mean of M=48
d. Assuming that σ=4, compute Cohen's d to measure the effect size for a sample mean of M=48
The same exponential distribution with the mean E(Xi)=2, (i=1, 2, ..., n), and Y=X1+X2+...+Xn. Find the moment-generating function of Xi (i=1, 2, ..., n).
If f is the p.d.f. of the standard normal distribution, show that the confidence interval [X - c1, X + c1] is better than [X1 - c2, X1 +c2] in terms
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we all know that utilitarianism seeks the good for the majority of people. based on what you learned from chapter 2 we
For each of the following hypothetical scenarios, state whether selection or assignment is being described. Is the method of selection or assignment random?
(a) Calculate the expected value of the amount that player A will get.
When looking at energy consumption, we are often interested in detecting trends over time and how they correlate among different countries.
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