Nsg 522 midterm exam - Study guides, Class notes & Summaries

NSG-522 Midterm Real exam questions with correct answers |100% guaranteed 27 a variable was coded as disease present, disease not present, or disease status unknown. When performing the descriptive statistics, which of the following should be used? SELECT ALL THAT APPLY Percentages Frequencies 28 A student conducting a quality improvement project on a unit in the university hospital where the student is enrolled. Since the project is required by the university, the student does not ne...

Definition: a sample may not accurately represent the population answer: sampling error Sources of error in estimating parameters answer: sampling error Measurement error Random error What are used to generate estimates of the unknown population parameter? answer: sample statistics A sample statistic such as __________ is an estimate of a population parameter answer: a mean or a proportion When do estimates have error? answer: always • process of determining likely values for unkno...

NSG 522 MIDTERM EXAM, THE NEWEST ACTUAL EXAM, COMPLETE 70 QUESTIONS AND CORRECTS DETAILED ANSWERS WITH 100% VERIFIED ANSWERS ALREADY GRADED IN A BRAND NEW VERSION 2-24

The frequency and relative frequency presented as a percentage should both be reported when describing interval level data - False What type of graphic display would be the best for a variable measured at the ordinal data? - Histogram The operational definition of a variable - Specifies how a variable should be measured The epidemiological range is - the minimum and maximum values When reporting the mean for a variable, what measure of spread should be reported? - The standard deviat...

What is epidemiology? - ANSWER-The study of the distribution and determinants of health-related states or events in specified populations, and the application of this study to the control of health problems. • One of the key features of epidemiology is the focus on - Populations - Population health • Epidemiology is not focused providing direct care to individuals Study - ANSWER-refers to systematic surveillance, observation, experimentation... use of a scientific approach Det...

The frequency and relative frequency presented as a percentage should both be reported when describing interval level data - ANSWER-False What type of graphic display would be the best for a variable measured at the ordinal data? - ANSWER-Histogram The operational definition of a variable - ANSWER-Specifies how a variable should be measured The epidemiological range is - ANSWER-the minimum and maximum values When reporting the mean for a variable, what measure of spread should be rep...