Omnibus null hypothesis - Study guides, Class notes & Summaries

Interval variables contain a true zero. True of false? - answer-False Which of the following statements are true with respect to ordinal data? The numbers represent categories The order of the values have meaning The distance between values can be calculated The numbers represent actual measurable quantities - answer-All are true Which of the following would be the best measure of dispersion or spread for a study evaluating quality of life on a 1 to 5 scale? Standard error Interquart...

PNB 3XE3 - midterm 2 (Questions & Answers) Verified 100% Correct!!

What does PPDAC stand for? - answer-Problem, Plan, Data, Analysis, Conclusions Problem in PPDAC: - answer-What is the problem or question? Plan in PPDAC - answer-what info do you need to answer the question? Data in PPDAC - answer-collecting high quality information Analysis in PPDAC - answer-Sorting, graphing, and running statistical tests Conclusions in PPDAC - answer-Interpretation, communication, and generating new ideas Why was the Wakefield et al. study poorly done? - ans...

CPH EXAM 499 Questions with Verified Answers Attributable risk - CORRECT ANSWER Rate of disease in exposed individuals that can be attributed to the exposure. Or the proportion of all cases that can be attributed to a particular exposure. Adjusted rate - CORRECT ANSWER Effects of differences in composition of pops being compared have been minimized by statistical methods. ex: regression analysis and strandardization -often used on rates or relative risks Ecological Fallacy - CORRECT ...

PARAMEDIC CARE- PRINCIPLES PRACTICE, V1-V5, 5E BLEDSOE SM TestBank PARAMEDIC CARE- PRINCIPLES PRACTICE, V1-V5, 5E BLEDSOE SM1 Copyright © 2017 Pearson Education, Inc. Paramedic Care: Principles & Practice V. 1-5, 5e (Bledsoe) Volume 1 Introduction to Advanced Prehospital Care Chapter 1 Introduction to Paramedicine 1) What is one of the emerging roles and responsibilities of a paramedic in the 21st century? A) Third-party biller B) Managed health care C) Health promotion D) Internet...

CPH Exam Study Guide 136 Questions with Verified Answers epidemiological triad - CORRECT ANSWER host, agent, environment An _______ is the probability that an event will occur divided by the probability that it will not occur. Since probabilities cannot be ______, a negative odds ratio would indicate computational ______. - CORRECT ANSWER odds ratio, negative, error _______ is the proportion of truly diseased people in the screened population who are identified as having the disease b...

I am using x to predict y. When I know the value of x, the mean-squared-error of my estimate of y is less than when I don't know x. - answers-x explains some of the variance in y If the SSmodel is greater than the SSresidual... - answers-the model accounts for more than 50% of the total variance What is the coefficient of determination? - answers-The proportion of variance accounted for in the dependent variable by the predictor variables. What is the relationship between r and beta in...

I am using x to predict y. When I know the value of x, the mean-squared-error of my estimate of y is less than when I don't know x. - answer-x explains some of the variance in y If the SSmodel is greater than the SSresidual... - answer-the model accounts for more than 50% of the total variance What is the coefficient of determination? - answer-The proportion of variance accounted for in the dependent variable by the predictor variables. What is the relationship between r and beta in a ...

I am using x to predict y. When I know the value of x, the mean-squared-error of my estimate of y is less than when I don't know x. - answers-x explains some of the variance in y If the SSmodel is greater than the SSresidual... - answers-the model accounts for more than 50% of the total variance What is the coefficient of determination? - answers-The proportion of variance accounted for in the dependent variable by the predictor variables. What is the relationship between r and beta in...

CPH Exam Study Guide 136 Questions with Verified Answers epidemiological triad - CORRECT ANSWER host, agent, environment An _______ is the probability that an event will occur divided by the probability that it will not occur. Since probabilities cannot be ______, a negative odds ratio would indicate computational ______. - CORRECT ANSWER odds ratio, negative, error _______ is the proportion of truly diseased people in the screened population who are identified as having the disease b...