Determinants of a sample size for a clinical research
Which of the following are determinants of a sample size for a clinical research trial?
A. Alpha (type 1 error)
B. The power to detect the difference
C. Magnitude of the treatment effect (effect size)
D. All of the above
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Two points A and B lie 20 cm apart on a line extending radially from a point charge Q. If the potential at A is 150 V and the potential at B is 120 V, find the charge Q and the distance of point A from the charge. What is the work that needs to be
Use the binomial table to find the numerical value of alpha for this testing procedure. Use the binomial table to find the probability of rejecting the null hypothesis when using this rejection region if p=0.30
Now that you are familiar with the basic concepts of statistics, what are some examples of when you have seen or heard statistics used inappropriately?
Why do you think the least-squares regression method tends to provide moreaccurate results than the high-low method? Which one would bethe easiest to use?
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Question: When teaching movement concepts, it is important to: