1.
To identify the sampling method and population.
1.
Answer to Problem 4E
The population consist of all individuals from each of the 50 statesand the sampling method is random sampling method.
Explanation of Solution
Given information:
“A survey was conducted to find the percent of Americans who enjoy camping. The surveyor randomly selected 20 individuals from each of the 50 states and asked, “Do you enjoy, greatly enjoy, or not enjoy camping in the woods, where the air is fresh and clean?”
The population consist of all individuals from each of the 50 states. Because the surveyor uses the rule “interview randomly selected 20 individuals”, the sample is a random sample.
2.
To describe whether the sample chosen was representative of the population.
2.
Answer to Problem 4E
The sample chosen was not a representative of the population.
Explanation of Solution
Given information:
“A survey was conducted to find the percent of Americans who enjoy camping. The surveyor randomly selected 20 individuals from each of the 50 states and asked, “Do you enjoy, greatly enjoy, or not enjoy camping in the woods, where the air is fresh and clean?”
The sample chosen was not a representative of the population because the surveyor randomly selected 20 individuals from each of the 50 states which is not enough to represent 50 states population.
3.
To explain whether the question is biased or not.
3.
Answer to Problem 4E
The question is biased as it suggest that the individual should enjoy the camping where the air is fresh and clean.
Explanation of Solution
Given information:
The question is “Do you enjoy, greatly enjoy, or not enjoy camping in the woods, where the air is fresh and clean?”
The question “Do you enjoy, greatly enjoy, or not enjoy camping in the woods, where the air is fresh and clean?” is biased because it suggest that one should enjoy the camping where the air is fresh and clean.
c
To explain:the affect the results of the survey
c
Answer to Problem 4E
The question is biased as it is already suggesting one should like camping in fresh and clean air.
Explanation of Solution
Given information:
The question is biased as it is already suggesting one should like camping in fresh and clean air.
Chapter 11 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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