# Introduction to Biostatistics; Variables Flashcards

Latin word of State and the root word for statistics?

Status

The study of the state or condition of data

Statistics

a science which deals with collection, organization, analysis and interpretation of numerical data

Statistics

the application of statistics to problems in the biological sciences, health, and medicine

Biostatistics

Application of statistics to science Health

Biostatistics

Father of Health Statistics?

John Graunt (1620-1674)

quantitative data needed as a basis for the planning, monitoring, and evaluation of health services

Public Health Statistics

Components of Public Health Statistics

- Vital Statistics
- Health Statistics

refers to data on vital events (number of births, deaths and marriages)

Vital Statistics

Event worth recording, these events were registered where it happened

Vital Statistics

child born in qc, registered at qc then, what statistics?

Vital Statistics

covers a wide variety of numeric information including data on morbidity, hospital and clinic statistics, service statistics

Health Statistics

Vital Statistics + Health Statistics =

Public Health Statistics

Application of Statistics

designed to collect information about the voting preferences of the population before and after elections.

Surveys

Application of Statistics

gather sample data on consumers’ choice of brands of products and commodities

Businessmen

Application of Statistics

conduct clinical trials to determine the efficacy or effectiveness of certain medicines or vaccines to be used in treating or preventing diseases.

Physicians

Application of Statistics

extract a minuscule sample of blood to determine the complete blood count (CBC) of a particular patient.

Medical technologists

Application of Statistics

use demographic data of their patients in a hospital or community to describe the characteristics that may have an influence in their care.

Nurses

Application of Statistics

use vital statistics to plan health programs in a community that will address health problems.

Health managers

Application of Statistics

makes use of statistical principles

Research

T or F

Statistics becomes an important tool in decision-making

T

What are the Branches of Statistics?

- Descriptive
- Inferential

applies to the collection and organization part

Descriptive statistics

applies to the analysis and interpretation part

Inferential statistics

Describing the sample

Descriptive statistics

Refers to the methods applied in order to summarize and present data in a form that will make the data easy to analyze and interpret

Descriptive Statistics

When the data are inferred or generalized to the population of interest

Inferential Statistics

Get small sample then make a conclusion and inferential from that for the whole population

Inferential Statistics

Refers to the methods involved in order to make generalizations and/or conclusions about a ____________, based on the data collected from a sample.

Target Population

What are the faces of Estimation

- Point Estimate
- Interval Estimate

single numerical value of the parameter being estimated

Point

consists of a boundary of values within which the parameter is expected to lie at certain confidence limits, the lower limit and the upper limit

Interval Estimate

In hypothesis Testing, what are the types of problems ecountered?

- Relationship or Association
- Comparison or Difference

How many variables are there in Relationship or Association for hypothesis testing?

At least 2 variables