After reading this article you will learn about:- 1. Definition of Statistics 2. Characteristics of Statistics 3. Classes 4. Statistical Error. Definition of Statistics: According to Horace Secrist: ‘By Statistics we mean aggregates of facts affected to a marked extent by multiplicity of causes numerically expressed, enumerated or estimated according to reasonable standards of accuracy, […]
Statistics: Definition, Characteristics and Classes | Biostatistics
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Probability: Meaning and Theories (With Example) | Biostatistics
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After reading this article you will learn about the meaning and theories of probability. Meaning of Probability: The word probability literally denotes chance and the theory of probability deals with laws governing the chances of occurrence of phenomena which are unpredictable in nature. Probability is, therefore, defined as the likelihood of occurrence of a particular […]
X2 Test: Meaning, Features and Applications
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After reading this article you will learn about:- 1. Meaning of X2– Test 2. Salient Features of X2– Test 3. Applications of X2– Test 4. Testing Goodness of Fit of X2– Test 5. Test of Linkage following the use of X2-Test 6. Use of X2-Test in Binomial Distribution 7. X2-Test Independence 8. X2-Test of Heterogeneity […]
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