statistics

20
tatistics

Transcript of statistics

Statistics

HISTORY OF STATISTICS

• Birth 1749• Incomplete • Mainly tabulations of human and material resources

• Became popular in 18th century • Became even more updated in 19th century

FACT ABOUT STATISTICS

• 26 scientists effort turned into statistics

CALYAMPUDI RADHAKRISHNA RAO

• 10 September 1920 (age 94)• The Times of India listed Rao as

one of the top 10 Indian scientists of all time

FATHER OF STATISTICS

• Sir Ronald Fisher• 17 February 1890 – 29 July 1962• British • Laid the foundation of statistics

ADVANTAGES OF STATISTICS• Birds eye view

• Narrow specification • Diagrammatic representation

• Accuracy

• Easy and efficient solutions

• Time saver

•USES OF STATISTICS

BUSINESS

• Decision making

• location of business

• Financial position

• Employee count

• Purchase, sales etc

ECONOMICS• Depends upon statistics

• Supply and demand

•  Imports and exports

• per capita income

• population growth rate

• Money value

MATHEMATICS

• Describing measurements more precisely

• probability averages

• Part of mathematics

BANKING• Calculate interest

• Age categorization

• Estimate the numbers of depositors

• Average rate

STATE MANAGEMENT (ADMINISTRATION)

• Policies of the government

• All administrative decisions

• Government budgets

•  Expenditures and revenue

• Eye of administration

RESEARCH CHAMBERS

• Analyzing the experiments

• Target audience calculation

• Categorization process

• To get desired results

ASTRONOMY

• Calculate mass, distance , size of heavenly bodies

• Method of least squares for finding the movements of stars

DEFENCE

• To calculate the distance • To calculate speed of weapons• To make weapons to hit target

area• To calculate enemy armed power

OTHER PURPOSES

• To predict future

• Easy comparison • Goal setting

• Ranking

• probability

• Solution identifier

DISADVANTAGE OF STATISTICS

• Lack of detailed study

WORLD WITHOUT STATISTICS

• No inventions• No updates • No new ideas • Incomplete

CONCLUSION

• Statistics is the source for the sources