What is bias? How can it affect a statistical study? Give examples of several fo

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What is bias? How can it affect a statistical study? Give examples of several forms of bias.

What is bias? How can it affect a statistical study?

What is bias? How can it affect a statistical study? Give examples of several forms of bias What is bias? How can it affect a statistical study? O A. Bias refers solely to unintentional errors in a sampling techniques that renders the results of the sample irrelevent. O B. Bias refers to any problem in the design or conduct of a statistical study that tends to favor certain results O C. Bias refers to sampling techniques that allows the study to be used to make inferences about the population O D. Bias causes representative samples to become non-representative

Explanation / Answer

Bias refers to any problem in the design or conduct of a statistical study tends to favor results.

Example of bias: Suppose we want to know the average of IQ of middle school students. If we select students who get good marks only will give us biased result in such case average IQ of students will be higher than the actual IQ of middle school students.

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