Category : Statistics

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* Introduction to the Theory of Probability * Conceptual Approaches * Concept of Probability * Objectives * Value of Probability * Mutually Exclusive Events and inclusive * Adding Rules * Independent Events * Dependent Events * Multiplication Rules * Normal Probability Distribution * Exponential probability distribution * INTRODUCTION TO PROBABILITY THEORY The concept of probability ..

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* Definition * Operationalization of variables * Population and sample * Techniques and Tools for Data Collection * Graphics * Definition. These are attributes, qualities, observable characteristics possessed by people, objects, institutions expressing varying magnitudes discretely or continuously. Example: people are variables: age, sex, height, weight, build, hair color, eye color, degree of attention, prior ..

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Statistics, estimators and estimators 1. Introduction 3. Calculating the sample size   1. Introduction The statistic has a prominent role the notion of random sample. A random sample of size n is: A collection of n random variables. All the same distribution. All independent. This definition idealized repeating the operation n times the observation of ..

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* Definition * Uses of Sampling * Probability based sampling methods * Other sampling methods * Random Number Table * Reasons for Sampling * Difference between the following terms: sampling error and non-sampling error * Black and Sampled Population * Definitions. 1 – Population: Is one set of individuals or items that we can observe, ..

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* Presentations tables: * Graphical methods: * Bibliography * Presentations tables: First define it is a table and then work the different kinds of tables requested: A table is a table consisting of the joint arrangement, orderly and usually totaled, the amounts or total frequencies obtained in the tabulation of data for categories or shapes ..

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* Theoretical and conceptual approach * Types of variables * The data representation: frequencies * General Rules for constructing frequency distributions for intervals * Frequency distribution table * Graphic Representation of Frequency Distribution * Laboratory * Bibliography 1 – CONCEPTUAL THEORETICAL APPROACH: After observation product were collected statistical data and attributes of the phenomenon and ..

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* Theoretical Framework * Application of Multiple Regression * Conclusions * Regression Bibliography I. – INTRODUCTION As inferential statistics allows us to work with a variable interval or ratio level, so you can understand the relationship of two or more variables and equations allow us to connect with a variable on the other variable and ..

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