Statistics Solutions

[Solved] A 2003 New York Times/CBS News poll sampled 523 adults who were planning a vacation during the next six months and found that 141 were expecting

Question: A 2003 New York Times/CBS News poll sampled 523 adults who were planning a vacation during the next six months and found that 141 were expecting to travel by airplane. A similar survey question in a May 1993 New York Times/CBS News poll found that of 477 adults who were planning a vacation in the next six months, 81 were expecting to travel by airplane.

  1. State the hypotheses that can be used to determine whether a significant change occurred in the population proportion planning to travel by airplane over the 10 -year period.
  2. What is the sample proportion expecting to travel by airplane in 2003 ? In 1993 ?
  3. Use \(\alpha=.01\) and test for a significant difference. What is your conclusion?
  4. Discuss reasons that might provide an explanation for this conclusion.

Price: $2.99
Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document


∴ Other downloads you may be interested in ∴

log in to your account

Forgot password?
Don't have a membership account?
REGISTER

reset password

Back to
log in

sign up

Back to
log in