Question

FROM DATA TO DECISION Critical Thinking: What does the survey tell us? Surveys have become an integral pa is so important that every citizen have the ability to interpret survey results, surveys are the focus of this project. rt of our lives. Because it The Pew Research Center recently conducted a survey of 1007 U.S. adults and found that 85% of those surveyed know what Twitter is Analyzing the Data 3. Explain why it would or would not be okay for a newspa- per to make this statement: "Based on results from a recent survey, more than 3 out of 4 adults know what Twitter is." 4. Assume that you are a newspaper reporter. Write a descrip- tion of the survey results for your newspaper I. Use the survey results to construct a 95% confidence interval estimate of the percentage of all adults who know what Twiter is. .Identify the margin of error for this survey 354 CHAPTER 7 Estimating Parameters and Determining Sample Sizes of a companr 6. In reference to another survey, the presiden 5. A common criticism of surveys is that they poll only a very small percentage of the population and therefore cannot wrote to the Associated Press about a nationwide 1223 subjects. Here is what he wrote: be accurate. Is a sample of only 1007 adults taken from a population of all adults a sample size that is too small? Write a brief explanation of why the sample size of 1007 is or is not too small. When you or anyone else attempts to tell me and associates that 1223 persons account for our and tastes here in America, I get mad as hel! Ho dare you! When you or anyone else tells me that 12 people represent America, it is astounding and unfa and should be outlawed. The writer of that letter then proceeds to claim that becane the sample size of 1223 people represents 120 million peopk his single letter represents 98,000 (120 million divided by 1223) who share the same views. Do you agree or disagree with this claim? Write a response that either supports or refus this claim.

Answer 1

(1) 95%CD -O DOT i the C all value are (3) 스 Calce coり.seo Acm Peepla eso os ase be6% cs scanned with CamScanner

Kindly Upvote if Helpful :)

HOPE THIS MAY HELP YOU----------------------

------------------------------THANK YOU---------------------------