The following points highlight the top two ways of representing data. The ways are: 1. Tabular Representation of Data 2. Graphic Representation of Data. Way # 1. Tabular Representation of Data: Tabulation is a process of orderly arrangement of data into series or rows or columns, where they can be read at a glance. This process may be called as [...]
The following points highlight the top three ways to measure dispersion. The ways are: 1. Variance 2. Standard Deviation 3. Coefficient of Variation. Way # 1. Variance: Variance depends on the deviations where the squared deviations are summed up and then divided by the number of observations to get the sample variance. It has a distinct advantage over mean deviation [...]
The below mentioned article provides a note on frequency distribution. For any statistical analysis, the handling with raw data requires some treatment, i.e., the classification of data to organise the available values in a more compact way. The frequency distribution presents the data very concisely indicating how frequently a variable occurs in a group of study. Construction of Frequency Distribution [...]