What is biostatistics - Study guides, Class notes & Summaries

Apk 3321 Exam 3 Questions & Answers 2024/2025 What is public health? What does it focus on? - ANSWERSPublic health is a field that has many disciplines working together to promote and protect health and prevent diseases and disabilities in populations and communities. It focuses on the population as a whole, not individuals. What are some of the first events/defining moments in the history of public health? - ANSWERSThe Black Death: killed 25% of population; originated on rats and was tr...

PRITE - Assorted Pertinent Topics Questions and Answers | Latest Version | 2024/2025 | Graded A+ Biostatistics What is the primary purpose of biostatistics in health research? The primary purpose of biostatistics is to apply statistical methods to analyze and interpret data related to health and disease, thereby informing public health decisions and clinical practices. Define the term "population" in the context of biostatistics. In biostatistics, a population refers to...

What is public health? correct answers Public health is the set of activities a society undertakes to monitor and improve the health of its collective membership. Prevent disease and promote health Distinguishing features of PH correct answers 1. Focus on preventing disease & injury 2. "Patient" is entire community, not individuals 3. "Provider" is society, not individual professionals Of 30-year gain in life expectancy in U.S. during 20th century, most due to improvement in correc...

Which one of the following items does not represent the value of biostatistics in the assessment of health problems of the population and determine their extent? (A) Finding patterns in the collected data (B) Summarizing and presenting the information to best describe the target population (C) Deciding what information to gather to help identify the health problems (D) Accounting for possible inaccuracies in responses and measurements - Correct Answer-(D) Accounting for possible inaccuracies...

Biostatistics - Answer Which statistical method attempts to address the effects of participants dropping out of a study prior to completion? (7x) - Answer LAST OBSERVATION CARRIED FORWARD Test that measures what it is supposed to measure (7x) - Answer VALIDITY What research study examines a group studied over a prolonged time period? (6x) - Answer COHORT Groups of pts w/ MDD, dysthymic d/o, and adjustment d/o were given mood scales. In order to compare the means of score...

What is the core science of public health which "seeks to understand the determinants of health problems and how to affect positive changes in individual and community behaviors, health, and quality of life through program planning and evaluation, as well as community engagement"? A. Nutrition B. Epidemiology C. Health ethics, policy and administration D. Social and behavioral health - D. Social and behavioral health According to the Institute of Medicine (IOM), the mission of public ...

Biostatistics Final UPDATED Actual Exam Questions and CORRECT Answers A researcher obtains the following dataset (x: 6, 16, 5) what is the cumulative relative frequency corresponding to the value 10? - CORRECT ANSWER- 6 For which of the following tables is t

Designing a case control study - Answer-- first, find cases (disease) and match controls (no disease) - ask if they were previously exposed (eg. if you were a smoker before getting lung cancer) - if the odds of having had the exposure is higher among cases than controls (odds ratio) then the incidence of this disease should be higher among the exposed than the non-exposed (risk ratio) - Uses odds ratio What do epidemiologists do - Answer-1) define the public health problem - magnitude: ho...

NYU Biostatistics Final Exam Questions & Answers 2024/2025 a sample of 120 employees of a company is selected, and the average age is found to be 37 y/o... - ANSWERSStatistic after taking the first exam, 15 of the students dropped the class - ANSWERSparameter the number of limbs of a 2-year-old tree is 21 - ANSWERSdiscrete the height of a 2 y/o maple tree is 28.3 ft - ANSWERScontinuous survey responses of "good, better, best" - ANSWERSordinal the body top of eight diffe...

Chapter 14, "Survival Analysis," from Biostatistics for the Biological and Health Sciences, 2nd Edition by Marc M. Triola, Mario F. Triola, and Jason Roy: What is the primary focus of survival analysis? A) To estimate the average time until an event occurs B) To compare means across multiple groups C) To determine the correlation between two continuous variables D) To analyze categorical data Answer: A Rationale: Survival analysis primarily focuses on estimating the time until a sp...