Cohp 350 quiz 1 - Study guides, Class notes & Summaries

COHP 350 Quiz 1 Study Set Questions And Answers What is the difference between Descriptive and Inferential Statistics? Give an example for each. ANS Descriptive: Organizes and summarizes data. i.e. mean, mode, pie chart Inferential: Drawing conclusions based upon the data. i.e. probability, hypotheses testing, confidence levels. Identify the sample and the population of the following: A cardiologist in Grand Rapids is interested in the mean recovery time of her patients who have had bypa...

COHP 350 Quiz 1 Study Guide Questions And Answers With Verified Solutions What is Biostatistics? ANS The application of statistical principles in medicine, public health, or biology. What is Statistics? ANS A collection of methods for planning experiments and obtaining data. What is Data? ANS Observations that have been collected. What is Cohort Study? ANS Type of longitudinal study What is Cross-Sectional Study? ANS Data are observed, measured and collected at one point in tim...

COHP 350 Quiz 5 Verified Study Solutions Rated A+ Type I error ANS - false positive - Rejecting a true null hypothesis Why are type I errors worse ANS Because they lead us to decide that a finding exists when it does not. - It is worse to conclude that we found a result that does not exist than to miss one that does Type II error ANS - false negative - accepting a false null hypothesis Hypothesis Testing Steps ANS 1. specify null and alternative 2. collect sample data (usually ...