Measures of Central Tendency
Statistical analysis is the mathematical process of gathering, organizing, analysing and interpreting numerical data and is one of the basic phases of research processes. Descriptive statistical analysis involves the description of a particular group, whereas inferential analysis leads to judgement about the whole population to which the sample at hand is to be related. Data are organized in arrays in ascending or descending order. Data are often grouped into class intervals to simplify the analysis.
Concept of Statistics
In everyday life, we deal with data or observations in which statistics is used. For example, when we measure our weights or heights, when we scrutinize cricket test scores of previous players, ...