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Is it never safe to take published statistics at their face value without knowing their meaning and limitations?
Never? Avoid thinking in absolutes. It is much better to understand published statistics but impossible to say "never safe to ...".
What are the Limitations of the t-test in statistics?
Two limitations of a t-test are you can only use one factor at a time and you can only use two levels at a time. You have to watch out for the Type 1 error because it increases with simultaneous tests.
What are the scope of statistics?
Scope and importance of Statistics:1. Statistics and planning: Statistics in indispensable into planning in the modern age which is termed as "the age of planning". Almost all over the world the govt. are re-storing to planning for economic development.2. Statistics and economics: Statistical data and techniques of statistical analysis have to immensely useful involving economical problem. Such as wages, price, time series analysis, demand analysis.3. Statistics and business: Statistics is an irresponsible tool of production control. Business executive are relying more and more on statistical techniques for studying the much and desire of the valued customers.4. Statistics and industry: In industry statistics is widely used inequality control. In production engineering to find out whether the product is confirming to the specifications or not. Statistical tools, such as inspection plan, control chart etc.5. Statistics and mathematics: Statistics are intimately related recent advancements in statistical technique are the outcome of wide applications of mathematics.6. Statistics and modern science: In medical science the statistical tools for collection, presentation and analysis of observed facts relating to causes and incidence of dieses and the result of application various drugs and medicine are of great importance.7. Statistics, psychology and education: In education and physiology statistics has found wide application such as, determining or to determine the reliability and validity to a test, factor analysis etc.8. Statistics and war: In war the theory of decision function can be a great assistance to the military and personal to plan "maximum destruction with minimum effort."
What are the main branches of statistics?
The two main branches of statistics is Descriptive statistics and inferential statistics.
Father of statistics?
father of statistics
