Question: What is a confounding variable? A variable which causes variance but is uncontrolled A variable which is mathematically controlled in an analysis A variable which

What is a "confounding variable?" A variable which causes variance but is uncontrolled A variable which is mathematically controlled in an analysis A variable which is controlled but not measured A variable which correlates with other analyses Question 5 The bell curve is actually which of the following? An ungrouped frequency distribution A special bar graph .A frequency polygon An abscissa

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