A normal population has mean 100  and variance 25. How large must the random sample be if you want the standard error of the sample average to be 1.5? Round your answer to an integer. 

What is the most important clinical implication of learning about motor control?

At which stage is it expected to observe refine sport‑specific skills (e.g., skiing turns, pitching with force) in an otherwise healthy individual?

Cerebral Palsy is a neurologic condition that is most commonly encountered by pediatric PTs and PTAs

Which of the following group is least likely to be later diagnosed with Cerebral Palsy

What is considered the most important overarching goal in pediatric physical therapy?  

A PTA is helping a patient practice sit‑to‑stand transfers. After each attempt, the PTA tells the patient, “You stood up in 3 seconds, which meets the goal,” but does not comment on how the movement was performed. What type of feedback is the PTA providing?  

Which is a benefit of probation?

Find the absolute extrema of f(t) = te-2t on 0,4{“version”:”1.1″,”math”:”f(t) = te-2t on 0,4″}.

Find any open intervals on which the function is increasing and decreasing and identify all relative extrema by using the first derivative test for the function below. f(x) = -7×3+21x+3{“version”:”1.1″,”math”:”f(x) = -7×3+21x+3″}