To identify: The bias and determine how the statistic might differ from the population parameter. Also suggest correction.
This is a case of Undercoverage bias.
The committee excluded the students who were not eating their lunch in the lunch hall, that increased the value of sample statistic than the actual population parameter.
They could survey a random sample of students to get a less biased result.
Objective: To collect the data to get the percentage of students who prefer lunch hall over their lunch.
Method: The committee surveyed the students in the lunch hall.
Result: 93% respondents prefer lunch hall.
Explanation:
This is a case of Undercoverage bias.
The committee excluded the students who were not eating their lunch in the lunch hall, that increased the value of sample statistic than the actual population parameter.
The committee could survey a random sample of students to get a less biased result.
Chapter 10 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
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