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.
Pearl Harbor remembered The USS Arizona Memorial, dedicated in 1962, straddles the remains of the battleship sunk during the surprise Japanese air attack, Dec. 7, 1941. The memorial pays tribute to the nearly 1,200 sailors and Marines who died aboard the Pennsylvania-class super-dreadnaught during the attack as well as all of the 2,403 military and civilian personnel who perished that Sunday morning.