To identify: The bias and determine how the statistic might differ from the population parameter. Also suggest correction.
This is a case of Response bias and Undercoverage bias.
The system is designed to survey taxpayers who had children, so it is more likely to get a positive response. The statistic is probably higher than the population parameter.
A random sample of residents would result less biased results.
Objective: To collect the data to get the percentage of taxpayers that supports use of city taxes to fund a new project.
Method: The group asked taxpayers if they support the new project that would provide a safe and convenient recreation facility for their children.
Result: 83% respond yes.
Explanation:
This is a case of Response bias and Undercoverage bias.
The system is designed to survey taxpayers who had children, so it is more likely to get a positive response. The statistic is probably higher than the population parameter.
A random sample of residents would results less biased results.
Chapter 10 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
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