statistics
Transcript of 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
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
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
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