Definition: A control variable is a variable that is held constant in a research analysis.The use of control variables is generally done to answer four basic kinds of questions: 1.Is an observed relationship between two variables just a statistical accident? 2.efinition: A control variable is a variable that is held constant in a research analysis.
How Many People Died At Pearl Harbor. Those who have read about American history are acquainted with Japanese attacking the US naval base located at Pearl Harbor on 7th December 1941. The Americans were attacked unaware, without any warning by Japan. This resulted in loss of lives of 2,402 Americans and left around 1282 people injured.
USS ARIZONA MEMORIAL - PEARL HARBOR, HI. Park Information. The USS Arizona Memorial is built over the sunken wreckage of the USS Arizona, the final resting place for many of the 1,177 crewmen killed on December 7, 1941 when Japanese Naval Forces bombed Pearl Harbor. The memorial is part of World War II Valor in the Pacific National Monument.