Monday, February 25, 2019

Introduction to Statistics



Statistics at Various Levels 

·     Statistics- science or discipline, branch of mathematics 
-     Data 
-     Statistical Testing
-     Probability Distribution 

·     Numerical Summary of data- 
-     Descriptive/ inferential statistics 
-     Used to estimate/ make inferences about population parameters 
-     Relationship between variables 

·     Test Statistics- result of statistical test 
-     Result of computation between two or more population 
-     Examples- normal distribution, student’s test, dunnett’s test, scheffe’s test 



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