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Question: 1. Explain why researchers do not use random samples. How are they able to generalize their results?
2. The standard deviation of a sampling distribution is called the _________ and the mean is called the __________.
question 1 explain the continuity correction factor and provide a good example. 3-4 paragraphsquestion 2 randomly
question consider the ages of ceos of companies throughout the united states.event a ceo is under 40event b ceo is at
Justifying your choice adequately but succinctly, postulate an appropriate theoretical probability model for this random variable. Using the result obtained in
To measure sample variance, is it more important that the sample variance be unbiased or that it vary minimally from a population variance?
The following data represents the pulse rates of ten randomly selected females after stepping up and down on a 6-inch platform for 3 minutes. Pulse is measured in beats per minute. Compute the sample mean pulse.
For n = 25, α = .01, σ = 5, and H0:µ ≥ 60, verify that power is .95 when µ = 56. - For n = 36, α = .025, σ = 8, and H0:µ ≤ 100, verify that power is .61 when µ = 103.
How many pairwise comparisons are made in the Bonferroni analysis?- The experimentwise error rate for the analysis was. 05. Interpret this value.
Concern was expressed by the health educators that students with serum cholesterol levels above 200 might be at an increased risk of heart disease. If the campus was equally divided between males and females, how many students would be at increase..
Consider the (4 X 4) covariance (correlation) matrix of Example 3.2. Verify the results of Theorem 3.8. Also verify that latent vectors of P are orthogonal unit vectors.
Find the rejection region for a = 0.01.- Conduct the test. Is there any evidence to suggest that at least two population means are different? Justify your answer.
Prove that (N,W, (Fi ∩ W)i∈N , P(· | W)) is also an Aumann model of incomplete information with beliefs, where for each player i ∈ N.
Assume that X is a discrete uniform variable with a range of 0 to 48. What is the mean and variance?
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