At the core of biology and other sciences lies a problem-solving approach called the scientific method. 1  Make an observation. 2  Ask a question. 3  Form a hypothesis, or testable explanation. 4  Make a prediction based on the hypothesis.  Test the prediction.
Xi. Xi is the 14th letter of the Greek alphabet. It is pronounced in Modern Greek, and generally or in English. In the system of Greek numerals, it has a value of 60. Xi was derived from the Phoenician letter samekh. Xi is not to be confused with the letter chi, which gave its form to the Latin letter X.
Nature and Scope of Management t 3 (xi) Management is guiding human and physical resources into dynamic organisational units which attain their objectives to the satisfaction of those served and with a high degree of morale and sense of attainment on the part of those rendering service. âAmerican Management Association