Statistical Sampling Statistical Sampling – Overview Statistical Sampling Terminology In this part we discuss about Sampling Theory and related topics like SamplingRandom SamplingStatistical ErrorParameter & StatisticSampling DistributionStandard Error Null HypothesisEstimationTest of SignificanceZ-ScoreT-Distribution Statistical Sampling Statistical Sampling is the process of making a set of observations randomly from a population distribution. A Populationis a collection of…
Category: Statistics
Statistical Theoretical Distribution
Statistical Theoretical Distribution Statistical Theoretical Distribution Statistical Theoretical Distributions are deduced mathematically based on certain assumption (not obtained by actual observations or experiments). Types of theoretical distributions commonly used in statistical analysis Importance of Theoretical Distribution: Binomial Distribution Binomial Distribution is useful where there are only two outcomes (e.g success or failure, good or defective,…
Statistical-Probability
Statistical Probability Probability and Statistics In this Part, we discuss about Probability, Expected value and related topics like : Statistical Probability In general terms, Statistical Probability refers to the chances of occurrence or non-occurrence of an event. In statistics, Probability is the measure of the likeliness (between the value 1 and 0) of occurrence of an…
Statistical-Correlation-Regression
Statistical Correlation and Regression Correlation & Regression In this part, we discuss about Correlation & Regression, depicting relationship between variables and the statistical process of estimating such relationship, relating to : Statistical Correlation Statistical Correlation refers to relationship between two or more related variables in statistical experiment. Two variables are said to be correlated, if…
Statistical-Measure-of-Dispersion
Statistical Measures of Dispersion Statistical Measures of Dispersion In this part, we discuss about Dispersion, computation, problems and solutions related to Dispersion Statistical Dispersion Statistical Dispersion is the degree of the scatter or the variation of the variables about a central value. Dispersion shows mean deviation or scatteredness. A measure of central tendency alone is not…
Statistical-Measure-of-Central-Tendency
Statistical Measure of Central Tendency Measures of Central Tendency In this part, we discus about various statistical measures of central tendency like Click Here to play the Video in English Central Tendency Measures A Measure of Central Tendency (also referred to as measures of centre, or central location) is a summary measure, describing a whole set of data with a…
Statistical-Data-Description
Statistical Data Description Statistical Data In this post, we discuss about various types of statistical data, their collection, analysis and presentation Click Here to play the Video in English Statistics The word, ‘statistics’ has been derived from the Latin word, ‘Status’ means a political state. This word also resembles with the Italian word Statista’, German…
Statistical Description of Data
1.Data Collected by investigator afresh by planning an inquiry, are called (a) Primary Data (b) Secondary data (c) Personal Data (d) Fictitious Primary data are those data which are directly collected by the investigator. Secondary data are collected form published resources. Answer: A 2. If the universe is limited and intensive study is essential, appropriate…
