To discuss: The strengths and weaknesses of the given survey.
Answer to Problem 21HP
Strength: The survey is unbiased.
Weakness: The sample is too small.
Explanation of Solution
Given:
The following survey proposal:
Question: How do students feel about the new dress code?
Method: Divide the student body by their four grade levels. Then, take a simple random sample from each of the four grades. Conduct the survey using this sample.
Strength of the sample:
The survey is unbiased as students from each grade are selected at random.
Weakness of the sample:
The sample is too small. Only one student is selected from each grade to represent the opinion entire grade. This may not provide accurate results
Chapter 12 Solutions
Algebra 1
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