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A common situation faced by researchers working with special populations, such as neurologically impaired people or people with less common psychiatric conditions, is that the studies often have small sample sizes due to the relatively few numbers of patients. As a result, these researchers often turn to nonparametric statistical tests. For each of the following research descriptions, state which nonparametric hypothesis test is most appropriate: Spearman rank-order correla - tion coefficient, Wilcoxon signed-rank test, Mann- Whitney U test, or Kruskal-Wallis H test. Explain your answers.
a. People who have had a stroke often have whole or partial paralysis on the side of their body opposite the side of the brain damage. Leung, Ng, and Fong (2009) were interested in the effects of a treatment program for constrained movement on the recovery from paralysis. They compared the arm-movement ability of eight stroke patients before and after the treatment.
b. Leung and colleagues (2009) were also interested in whether the amount of improvement after the therapy was related to the number of months that had passed since the patient experienced the stroke.
c. Five of Leung and colleagues' (2009) patients were male and three were female. We could ask whether post-treatment movement performance was different between men and women.
Probability distribution with μ = 6 ounces and σ = 2.5 ounces. Which of the following is true about the sampling distribution of the sample mean if a sample of size 15 is selected?
Find the confidence interval by estimating the population proportion
Write a short essay (Minimum of 2 paragraphs) on the development of the first writing system.
That a sample of 40 females gives an average production which is more than that based on a sample of 36 males by more than 6 items, assuming sampling with replacement, and that, the sample size for the two sexes being the same, the average product..
If none of the 10 displayed books is written by faculty members from the College of Science and Technology, is there any evidence to suggest the selection process was not random? Justify your answer.
can you please help with this question? thank youyou want to determine the average number of hours worked by professors
Given that x is a normal variable with mean u = 47 and standard deviation = 6.2, find:
you thoroughly mix together two standard decks of 52 cards so you have now a big deck of 104 cards. you randomly draw
A researcher is wanting to test if there is a statistically significant difference in the mean of heart rates of patients who have high blood pressure.
Each day, 5000 checks of each type must be processed. Develop a network model to determine how to minimize the daily cost of processing checks.
ab and c are evenly matched tennis players. initially a and b play a set and the winner then plays c. this continues
What is the z score for a cd player will break down during the guarantee period of 2 years? The statement that the cd player breaks during the 2-year.
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