Business Statistics & Statistics
Types of Data Classification in Statistics
Broadly, the data can be classified on the following basis namely: 1. Geographical or Spatial Classification, 2. Chronological or temporal Classification […]
Business Statistics
Business Statistics & Statistics
Sources and Methods of Primary, Secondary & Internal Data Collection
Primary data is a type of data that researchers collect directly from original sources through interviews, surveys, experiments, etc. The methods and sources to collect primary data are as follows: […]
Business Statistics & Statistics
Questionnaire: Introduction, Definition & Objective or Purpose
A questionnaire, in other words, is a research instrument or tool that consists of a series of questions. The Statistical Society of London invented the questionnaire in 1838, and it has been in use ever since. […]
Business Statistics & Statistics
Internal Data: Definition and Sources of Internal Data Collection
Internal data that originates in the process of keeping records, such as employee earnings from a payroll, sales numbers from a sales journal, and the amount of raw materials, can be used in statistical analysis of various business problems. […]
Business Statistics & Statistics
Secondary Data: Definition and Sources of Secondary Data Collection
Secondary data is research data that has already been obtained and is available to researchers. The term is in contrast to primary data, which is data acquired directly from its source. […]
Business Statistics & Statistics
Primary Data: Definition and Sources of Primary Data Collection
Primary data is generally collected directly from the source from which the data originated, and is considered the best type of data in research and study. […]
Business Statistics & Statistics
Difference between Primary Data and Secondary Data
Primary data is the first-hand data collected by the researcher/user himself. Secondary data have already been collected by some other person in the past. […]
Business Statistics & Statistics
Types, Sources & Methods of Data Collection: Primary Data, Secondary Data, Internal Data
Data is available from three important sources, namely: Primary Sources, Secondary Source, Internal Records. We can either have primary data or secondary data or internal data depending on the source. […]
Business Statistics & Statistics
Data, Information and Statistical Data in Statistics
statistical data is a sequence (collection) of observations made on a group of items that are part of a population sample. Statistical data or data can be presented in the following two forms- […]
Business Statistics & Statistics
Nature of Statistics: Is Statistics a Science or an Art?
Nature of Statistics: Is statistics a science or an art? Statistics is a science, as well as an art. Scientific and artistic viewpoint … […]