The document outlines the concept of data, various methods of its presentation, and its significance in decision-making, particularly in medical statistics. Data can be qualitative or quantitative, and presentations can be in forms such as tables or graphic representations like histograms and pie charts. It emphasizes the importance of data collection from sources like experiments, surveys, and records for assessing health changes in populations.

1. PRESENTATION
OF
DATA NISHITA PATEL
( FY. MPT )

2. OUTLINE
• WHAT IS DATA
• USE AND PRINCIPLE
OF PRESENTATION
• METHODS OF
PRESENTATION OF DATA

3. WHAT IS DATA
Data refers to raw information or
facts that can be collected, stored,
and analyzed for various purposes.
It can take different forms, such as
numbers, text, images, or audio,
and is essential for decision-making

4. SOURCE OF DATA
The main sources for collection of medical statistics are
1. Experiments
2. Surveys
3. Records.

5. STATISTICAL DATA
The data collected may be for profile or prospective studies at local,
state, national or international level. They are analyzed to assess
changes in health or disease situations in the community or population
by standard parameters. The statistical data obtained from the above
sources can be divided into two broad categories
1. Qualitative
2. Quantitative

10. TABULAR
.

11. SIMPLE TABLES
1. Qualitative 2. Quantitative

12. COMPLEX TABELE
(double table )
Qualitative . Quantitative

13. ( Triple table )
. Quantitative
Qualitative

14. Qualitative

15. Multiple table
Quantitative

16. GRAPHIC
PRESENTATION

20. QUANTITATIVE DATA
1. HISTOGRAM

22. 2. Frequency polygon

23. 3. Frequency curve

25. 4. Line chart / graph

27. 5. Normal distribution curve / ogives

30. 6. Scatter diagram

32. Qualitative
1. bar chart

34. 2. Pictogram
• It is a popular method to impress the frequency of the occurrence of
events to common man such as attacks, deaths, number operated,
admitted, discharged, accidents, etc. in a population.

36. 3. Pie chart / sector diagram

38. 4.Map diagram / statical map / spot map
• These maps are prepared to show geographical distribution of
frequencies of characteristic.

40. Reference
Mahajan's Methods in Biostatistics for Medical Students and Research
Workers , Eighth Edition