Save. Easy_Company/iStock/Getty Images. Setting up a specially designed and dedicated war room where work groups can collaborate with a minimum of distraction is one of the best steps a business owner can take to improve the group's focus and productivity.
A polygraph, popularly referred to as a lie detector, measures and records several physiological indices such as blood pressure, pulse, respiration, and skin conductivity while the subject is asked and answers a series of questions.
Frequency Polygon. A graph which is used for understanding the shapes of distributions is known as a frequency polygon. A frequency polygon works as a histogram. It is useful for comparing the sets of data. A graph line is drawn by joining all the mid points of a top of a bar of a histogram. It is also useful for displaying the properties of cumulative distribution.