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Medium 9781576336984

Real Numbers: SSAT-ISEE Arithmetic

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Verbal Problems: GED Algebra

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Square Roots and Powers: GED Arithmetic

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Coordinate Geometry: GED Algebra

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N.P.Bali; P.N.Gupta; Dr C.P.Gandhi Laxmi Publications PDF

Unit-I

Introduction to Statistics

1

Introduction to Statistics

1.1. INTRODUCTION

The word �Statistics� has been derived from an Italian word �statista� which means

�State� or �Province�. Most of the researchers also believe that the word �Statistics� comes from the German word �Statistik� which means �Political State�. The word �Statistics� was first appeared in the famous book entitled, �Elements of Universal Erudition� written by a famous author �J.F. Baran�.

1.2. MEANING OF STATISTICS

The word �statistics� may be defined as �the science of collection, organisation, presentation, analysis and interpretation of numerical data.�

According to Prof. Bowley, �Statistics may be called the science of counting.�

But this definition covers only one aspect of science, namely the collection of data. It ignores other important aspects like organization, presentation, analysis and interpretation.

According to Prof. Boddington, �Statistics is the science of estimates and probabilities.�

This definition is also not complete as it does not cover all the aspects of statistics.

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Medium 9781576336380

Addition and Subtraction: Decimals: GED Arithmetic

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Medium 9781576336847

Simple Equations: Praxis I Algebra

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Medium 9781576336984

Properties of Numbers: SSAT-ISEE Arithmetic

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Medium 9781576336946

Proportions: Right Triangles: PSAT Geometry

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Medium 9781576336281

Factoring Polynomials: COOP-HSPT Algebra

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Medium 9781576336922

Ratio and Proportion: PSAT Arithmetic

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Exponents: GED Algebra

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Medium 9781576336274

Addition and Subtraction: Whole Numbers: COOP-HSPT Arithmetic

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Real Numbers: COOP-HSPT Arithmetic

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Medium 9781576336571

Variables: GRE Algebra

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