Data is divided only in two types of categories one is numerical (continuous and discrete)and other is categorical i.e character data which is divided into 3 parts (Binary, Nominal and ordinal)only the representation of data changes. Although there is a lot of data types available in different data systems like int, real, float, double, char, Data types changes according to the memory size of the systems. Binary means we have 2 options like either this or that, Nominal and ordinal have a slight difference like in nominal we cannot rank and in ordinal we can rank them also. Here we are talking about the categories however, variable (name of the person) is in any data cannot be categorized although it’s a character data. To make it simpler data types are divided into two parts numeric and character. Here we can take an example to describe the numerical as well as categorical data : This is kind of data we are referring to: data which belongs to the banking industry we can u...