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A pollasked a random sample of 2,030 adults: "Do you support or oppose putting a special tax on junk food-that is, things like soca, chips, and candy-and using the money for programs to t obesity? They reported that 57% of the respondents said "Support and that the margin of error for the poll was 2 percentage points (a) Verify that the reported margin of error of a 2 percentage points is correct (rounded to a whole number of percentage points). (b) What is the numerical interval that is likely to cover the true percentage of the entire population that would have answered "Support" f asked at that time? % (c) Many pitfalls can be encountered when asking questions in a survey or experiment 1. deliberate bias 2. unintentional bias 3. desire to please 4 asking the uninformed 5. unnecessary complexity 6. ordering of questions 7. confidentiality versus anonymity Which one of them might have been a problem for this survey question? Explain.

A pollasked a random sample of 2,030 adults: "Do you support or oppose putting a special tax on junk food-that is, things like soca, chips, and candy-and using the money for programs to t obesity? They reported that 57% of the respondents said "Support and that the margin of error for the poll was 2 percentage points (a) Verify that the reported margin of error of a 2 percentage points is correct (rounded to a whole number of percentage points). (b) What is the numerical interval that is likely to cover the true percentage of the entire population that would have answered "Support" f asked at that time? % (c) Many pitfalls can be encountered when asking questions in a survey or experiment 1. deliberate bias 2. unintentional bias 3. desire to please 4 asking the uninformed 5. unnecessary complexity 6. ordering of questions 7. confidentiality versus anonymity Which one of them might have been a problem for this survey question? Explain.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A poll asked a random sample of 2,030 adults: "Do you support or oppose putting a special tax on junk food-that is, things like soda, chips, and candy-and using the money for programs to fight obesity? They reported that 57% of the respondents said "Support and that the margin of error for the poll was2 percentage points (a) Verify that the reported margin of error of +2 percentage points is correct (rounded to a whole number of percentage points) (b) What is the numerical interval that is likely to cover the true percentage of the entire population that would have answered "Support" If asked at that time? (c) Many pitfalls can be encountered when asking questions in a survey or experiment 1. deliberate bias 2. unintentional bias 3. desire to please 4. asking the uninformed 5. unnecessary complexity 6 ordering of questions 7, confidentiality versus anonymity Which one of them might have been a problem for this survey question? Explain
Transcribed Image Text:A poll asked a random sample of 2,030 adults: "Do you support or oppose putting a special tax on junk food-that is, things like soda, chips, and candy-and using the money for programs to fight obesity? They reported that 57% of the respondents said "Support and that the margin of error for the poll was2 percentage points (a) Verify that the reported margin of error of +2 percentage points is correct (rounded to a whole number of percentage points) (b) What is the numerical interval that is likely to cover the true percentage of the entire population that would have answered "Support" If asked at that time? (c) Many pitfalls can be encountered when asking questions in a survey or experiment 1. deliberate bias 2. unintentional bias 3. desire to please 4. asking the uninformed 5. unnecessary complexity 6 ordering of questions 7, confidentiality versus anonymity Which one of them might have been a problem for this survey question? Explain
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