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Chapter 11: Q4. (page 637)

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, 鈥淒O you enjoy, greatly enjoy, or not enjoy camping in the woods, where the air is fresh and clean?鈥� How much should you trust the results of this survey?

  1. Identify the sampling method and population.
  2. Do you think the sample chosen was representative of the population? Explain.
  3. Do you think the question is biased? If so, explain how it would affect the results of the survey.

Short Answer

Expert verified
  1. The population consist of all individuals from each of the 50 states and the sampling method is random sampling method.
  2. The sample chosen was not a representative of the population.
  3. The question is biased as it suggest that the individual should enjoy the camping where the air is fresh and clean.

Step by step solution

01

1.Step 1. Given Information.

It is given that 鈥溾�淎 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, 鈥淒o you enjoy, greatly enjoy, or not enjoy camping in the woods, where the air is fresh and clean?鈥�

02

Step 2. Explanation.

The population consist of all individuals from each of the 50 states. Because the surveyor uses the rule 鈥渋nterview randomly selected 20 individuals鈥�, the sample is a random sample.

03

2.Step 1. Given Information.

鈥淎 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, 鈥淒o you enjoy, greatly enjoy, or not enjoy camping in the woods, where the air is fresh and clean?鈥�

04

Step 2. Explanation.

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.

05

3.Step 1. Given Information.

The question is 鈥淒o you enjoy, greatly enjoy, or not enjoy camping in the woods, where the air is fresh and clean?鈥�

06

Step 2. Explanation.

The question 鈥淒o you enjoy, greatly enjoy, or not enjoy camping in the woods, where the air is fresh and clean?鈥� is biased because it suggest that one should enjoy the camping where the air is fresh and clean.

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