By Ashley Crossman. 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.
The estimated number of deaths is 150-300,000, mainly Jews. Chelmno, also known as Kulmhof, was a small town roughly 50 miles from the city of Lodz. It was here that the first mass killings of Jews by gas took place as part of the Final Solution.. The murder process was set up by a Sonderkommando, under the command of Herbert Lange.
3497 people died in the 911 attacks. Number of 9/11 Deaths More people are added to the list of fallen every day as a result of their efforts at Ground Zero during the weeks a â¦ nd months following the attacks.t least 2,985 people died in the September 11, 2001, attacks, including:19 terrorists2,966 victims [2,998 as of Spring 2009] All but 13 people died on that day.