Inferential Statistics, A type of statistics on which the methods used to determine something about a population are based on samples., Population, The entire set of individuals or objects of interest or the measurements obtained from all individuals or objects of interest., Sample, A portion or a part of the population of interest., Random Sampling, A sampling method in which each sample has an equal chance of being selected., Stratified Random Sampling, In this method, the population is divided into groups called strata and then a sample is being taken from each stratum., Clustered Random Sampling, In this method, the population is divided into groups called strata and some of the strata is/are randomly selected., Systematic Random Sampling, A starting point is randomly being selected and every nth piece of data from the list is being taken., Dichotomous Data, A data with two possible results only., Quantitative Data, Data that are measured on a numerical scale., Qualitative Data, Data or measurements that can be classified into several categories., Discrete Data, Numerical data that can be counted., Continuous Data, Numerical data that can be measured only., Median, It is defined as the middlemost value in a data set., Mode, It is the most common number in a data set., Nominal Data, Consist of categories in each of which the number of respective observations is recorded. The categories are in no logical order and have no particular relationship.

Basic Concepts: Statistics and Probability

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