Statistics Introduction class - Ist PPT For Nursing Student By - Mr. Ramkishor chopra For more classes join you YouTube channel - https://youtube.com/@NURSESTHERISINGSTAR

1. Nurses The Rising Star (NRS) Cont. 9782909058, nursestherisingstar@gmail.com 1

2. Statistics
Introduction

3. Introduction –
The word statistics conveys a variety of meanings to people in different walks of life. To some, it could be
an imposing form of mathematics containing tables, charts and figures, which one can commonly find
in newspapers, journals, books, reports, speeches, classroom lectures, etc.
To others, statistics can be the means to gather information about any group, activity, characteristic or a
process whether it is production, population, national income, etc., that is expressed in numbers.
The root of the word statistics comes from the Italian word statista (meaning 'statesman') and the German
word statistik (meaning 'political state').
It was for the first time used by Gottfried Achenwall.
It has been used to indicate facts and figures of any kind - health statistics, trade statistics, business statistics,
and so on. It is also used to refer to a body of knowledge known as statistical methods, developed for
handling data in general, particularly in the field of experimentation and research.
Every day we are exposed to a wide array of numerical information, which often has a pro found impact on
our lives.
Example - There are 933 females per 1000 males.

4. Definitions -
Statistics can be defined as numerical data involving variability and treatment of such data.
"Statistics is defined as collection, presentation, analysis, and interpretation of numerical data'.
'Statistics means aggregate of facts affected to a marked extent by multiplicity of causes,
numerically expressed, enumerated or estimated according to reasonable standards of
accuracy, collected in systematic manner for a predetermined purpose and placed in
relation to each other'.
Statistics is the study of techniques and procedures for data collection, classification,
summarization, analyzing, and interpretation of the numerical data.
Biostatistics is the method used in dealing with statistics in the field of health sciences, such as
biology, medicine, nursing, public health, dentistry, pharmacy, and physical therapy.

5. Uses –
 It presents facts in a definite form.
 It facilitates comparisons.
 It simplifies the masses of figures.
 It helps in formulating and Testing hypothesis.
 It helps in prediction.

6. Applications -
Applications of statistics in health sciences can be conceptualized into one of the
following categories -
 Defining normal and not normal in context of various aspects related to health and
illness.
 Establishing the accuracy of the diagnostic procedures.
 Planning of experiments and analysis of results.
 Observations on the natural history of a disease, namely its signs, symptoms, course,
variation, etc.
 Assessment of treatment protocol and different interventions used for care and
treatment of the patients.
 Collection, analysis, and dissemination of various population health statistics.

7. जीवन में असली उड़ान अभी बाकी है,
हमारे इराद ों का इम्तिहान अभी बाकी है,
अभी त नापी है बस मुट्ठी भर जमीन,
अभी त सारा आसमान बाकी है।