Science dealing with the collection, organization, analysis, and interpretation of numerical data

focus is on the biological and health sciences

PURPOSE OF STAT

 A special branch of statistics which deals with quantitative aspects of vital phenomena.

data required in the planning, administration, and evolution of health programs.

distribution and determinants of health-related states and events

study of human population

functioning of health care system and health affecting behaviors.

Heredity; genes and functions

Methods of summarizing and presenting data

Computation of measures of central tendency and variability

Tabulation and graphical presentation

Facilitate understanding, analysis, and interpretation of data.

includes method like point estimations, intervals and hypothesis testing

you have to prove something

used for indepth analysis

All members of a specified group

Subset of a population

Measure of a characteristic of a population

measure of a characteristic of a sample

Value of a characteristic that remains the same from person to person, from time to time or from place to place

Characteristics takes on different values

STEPS IN STATISTICAL INVESTIGATION

past data, quick and easy, economical, short time collection, not specific

real time data, very involved, expensive, long collection time, always specific

CONTROLLING ( CAUSE)

affected by the controlling data 

Descriptions or labels to distinguish one group from another

CATEGORICAL

Can be measured and ordered according to quantity or amount and expressed numerically

NUMERICAL

Can assume a finite or countable number of values.

Can assume an infinity or other possible values

Simply used as names or identifiers of a category

zero as a starting point

Represents an ordered series of relationships

Does not have a true-zero value starting point