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.
About 60% of all expeditions put at least one member on the summit. 282 people (168 westerners and 114 Sherpas) have died on Everest from 1924 to June 2016. Of the deaths, 109 died attempting to summit without using supplemental oxygen. 70 climbers died on the descent from the summit. The Nepalese side has seen 4,863 summits with 176 deaths through June 2016 or 3.7%.