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.
How many people died in the 1906 San Francisco earthquake? The official casualty count was 700, but as many as 3,000 people might have died. An estimated 225,000 people were left homeless, out of a population of about 400,000. Most ofâ¦ the fatalities occurred in San Francisco, and 189 were reported elsewhere..