Biostatistics exam quest - Study guides, Class notes & Summaries

Bias in study design Systematic , nonrandom variation in study methodology and/or data collection process that results in an incorrect estimate of association between exposure and outcome affecting the true value of the result Ex of bias: - Selection bias: systematic selection of subjects that leads to an imbalance or an advantage in favor of one cohort over the other, leading to an error in the selection, or sampling of individuals for a clinical study -observational or information bias...

BCACP- TRIAL DESIGN & BIOSTATISTICS EXAM QUESTIONS AND ANSWERS 2024.

Nursing 631: Biostatistics Exam Questions and Answers Be able to interpret p-values and confidence intervals for means, proportions, relative risk measures and the odds ratio. - Correct Answer ️️ -An inferential test of a null hypothesis yields a probability (p) that the null hypothesis is true. When p is less than 5 in 100 (.05) that something is true, it is conventional to regard it as unlikely to be true. A synonym for "rejecting the null hypothesis" is declaring a result as stati...

Biostatistics Exam

epidemiology - ANSWER-the study of the distribution and determinants of disease frequency in human populations prevalent cases - ANSWER-number of persons who have a disease at a specific point in time; this is considered numerator data prevalence - ANSWER-the proportion of the population with a particular disease at a specific point in time pre-test probability - ANSWER-the chance that any one person selected at random from a population will have the disease of interest prevalence - ...

Biostatistics Exam

Nursing 631: Biostatistics Exam Questions and Answers Be able to interpret p-values and confidence intervals for means, proportions, relative risk measures and the odds ratio. - Correct Answer ️️ -An inferential test of a null hypothesis yields a probability (p) that the null hypothesis is true. When p is less than 5 in 100 (.05) that something is true, it is conventional to regard it as unlikely to be true. A synonym for "rejecting the null hypothesis" is declaring a result as stati...

Nursing 631: Biostatistics Exam Questions and Answers Be able to interpret p-values and confidence intervals for means, proportions, relative risk measures and the odds ratio. - Correct Answer ️️ -An inferential test of a null hypothesis yields a probability (p) that the null hypothesis is true. When p is less than 5 in 100 (.05) that something is true, it is conventional to regard it as unlikely to be true. A synonym for "rejecting the null hypothesis" is declaring a result as stati...

Biostatistics BCPS exam question and answer latest update

BCPS Biostatistics Exam Questions and Answers Discrete Variables - ANSWER Can only take a limited number of values within a given range. 1. Nominal 2. Ordinal Nominal Data - ANSWER Discrete Variable Data of categories only, unordered, with no indication of relative severity. Data cannot be arranged in an ordering scheme. (Gender, Race, Religion, mortality, disease state) Ordinal Data - ANSWER Discrete Variable Placed in categories and rank ordered, distance between categories may no...