Parade Magazine reported that “nearly 3200 readers dialed a 900 number to respond to a survey in our Jan. 8 cover story on America’s young people and violence” (February 19, 1995, p. 20). Of those...

1 answer below »



Parade Magazine reported that “nearly 3200 readers dialed a 900 number to respond to a survey in our Jan. 8 cover story on America’s young people and violence” (February 19, 1995, p. 20). Of those responding, “63.3% say they have been victims or personally know a victim of violent crime.” Can the methods in this chapter legitimately be used to compute a 95% confidence interval for the proportion of Americans who fit that description? Explain why or why not.




Answered Same DayDec 25, 2021

Answer To: Parade Magazine reported that “nearly 3200 readers dialed a 900 number to respond to a survey in our...

Robert answered on Dec 25 2021
123 Votes
No, the CI should not be used here because this is self selected sample, not a
random sample, and i
t will have a higher ratio of those with stronger opinions
in the population.
For demonstration, following is how we would have calculated CI if this was a
random sample.
95% Confidence Interval for p
p̂ =...
SOLUTION.PDF

Answer To This Question Is Available To Download

Related Questions & Answers

More Questions »

Submit New Assignment

Copy and Paste Your Assignment Here