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QUESTION 1. (answers will vary, of course) A sample of 107 patients with one-vessel coronary artery disease was given percutaneous transluminal coronary angioplasty (PTCA). Patients were given exercise tests at baseline and after 6 months of follow up. Exercise tests were performed up to maximal effort until symptoms, such as angina, were present.
This document contains a 20 question biostatistics final exam for pharmacy students. It includes multiple choice questions testing concepts like measures of central tendency, levels of measurement, sampling methods, and hypothesis testing.
Practice Final Exam Questions (2) -- Answers Part A. Multiple Choice Questions. For each question, you are encouraged to give a reason or show work for partial credit.
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A population of people has incomes with a standard deviation of σ = $1,750. If a random sample of 25 people resulted in a mean income X = $54,800, estimate μ by a 95% confidence interval.
If you need solutions, visit AoPS Resources Page, select the competition, select the year and go to the link of the problem. All (except very few) of these problems have been posted by Orlando Doehring (orl).
Notation R: The real line. Rk:Thek-dimensional Euclidean space. c =(c 1,...,c k): A vector (element) in Rk with jth component c j ∈R; c is considered as a k×1 matrix (column vector) when matrix algebra is involved. cτ: The transpose of a vector c ∈Rk considered as a 1 ×k matrix (row vector) when matrix algebra is involved. kc: The Euclidean norm of a vector c ∈R, c 2 = cτc.
