Persons freedom to communicate, and their ability to do so effectively, has long been recognized as a crucial component of a society that respects human dignity and provides the conditions for humans to flourish. Government actions that suppress persons'speech and other forms of communication have been rightly subject to scrutiny and challenge Governments have also recognized the importance of affirmative steps to enhance persons opportunities for communications, such steps include improving education and supporting public forums. Communication is not only a personal and political good
To describe the properties of central tendency, variation and shape in numerical data To calculate descriptive summary measures for a population To construct and interpret a box-and-whisker plot To describe the covariance and coefficient of correlation as a measure of the strength of the relationship between two numerical variables
