Jagsstat-Blog Statistics -An Introduction to Statistics

  ‘Data are oil that runs the machine named society. It is the information collected from various sources and stored in different formats in different locations. There are various types of data which are broadly classified in two types- Variables and Attributes.   3.1. VARIABLES AND ATTRIBUTES ‘Statistical information collected from a group of individuals or objects are basically of two types- quantitative and qualitative. Quantitative data are numerical data which are measurable and expressed in quantifiable units. Quantitative data are easier to understand and classify. For examples: Scores, salaries, height, weight, counts etc… Qualitative data are non-numerical data and are not usually measurable nor expressed in quantifiable units. These are comparatively difficult to understand and classify. For examples: Beauty, Grades etc… Quantitative data are called variables while Qualitative data are called attributes.   3.1.1. Quantitative data are of two types:...