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Because its the group for which the idependent variable is help constand in a statistical study.

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Q: Why are control groups used in statistical studies?
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What software is commonly used for social studies?

SPSS is often used for statistical analysis.


What is statistical control?

A statistical technique used to eliminate variance in dependent variables caused by extraneous sources. In evaluation research, statistical controls are often used to control for possible variation due to selection bias by adjusting data for program and control group on relevant characteristics.


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Control groups are used in experiments for comparison purposes.


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Control charts (also commonly called process-behaviour charts or Shewhart charts) are charts which are used to find out if a business or manufacturing process is in a state of statistical control. They were invented by Walter A. Shewhart in 1920.


Areas in businesses where statistics are used?

1.Agriculture: studies on the method for increasing the yields of crops. 2.Business: predict sales volumes and consumer reactions to new products 3.Industry: in quality control 4.sociology: comparative studies of different socioeconomics and cultural groups.


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