bias in surveys mdm4u – mathematics of data management
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Bias in SurveysMDM4U – Mathematics of Data Management
What is Bias?
Bias
• When the results of the survey favor a particular outcome.
Types of Bias
Sampling Bias
• When the sample or individuals being sampled do not represent
the overall population.
Types of Bias
Non-Response Bias
• When individuals choose not to respond to the survey that
represent a particular(s) groups.
Types of Bias
Measurement Bias
• When the process or measurement during the survey affect the
variable being studied.
Types of Bias
Response Bias
• When individuals give false responses to the survey.
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