SOLUTION: 3. In a nationwide poll of 1,500 randomly selected U.S. residents, 77% said that they liked pizza. In a poll of 1,500 randomly selected U.S. residents one month later, 75% responde

Algebra.Com
Question 1150369: 3. In a nationwide poll of 1,500 randomly selected U.S. residents, 77% said that they liked pizza. In a poll of 1,500 randomly selected U.S. residents one month later, 75% responded that they liked pizza.
a. Does the polling evidence support the claim that pizza declined in popularity over the month between polls? Explain why or why not.
b. Using statistical terminology, precisely identify the population parameter the two polls were attempting to measure. How does a parameter differ from a statistic?
c. Based on the two polls, what would you say to someone who guessed that the population parameter the polls are trying to measure is really only 50%?

Answer by nijneweed(6)   (Show Source): You can put this solution on YOUR website!

RELATED QUESTIONS

In a nationwide polls of 1,500 randomly selected U.S. residents, 77% said that they liked (answered by Boreal)
1. In a Gallup poll of 557 randomly selected adults, 284 said that they were underpaid.... (answered by stanbon)
in a recent poll, 40% of the surveyed said that they will go out of town during the... (answered by Johndv0908)
in a recent poll 70% of the surveyed said that they will not go away on vacation this... (answered by ewatrrr)
In a recent poll, 580 people were asked if they liked dogs, and 22% said they did. Find... (answered by CPhill)
65% of students in a Statistics class said that they liked Statistics more than Algebra.... (answered by jorel1380)
In a recent poll, 340 people were asked if they liked dogs, and 27% said they did. Find... (answered by Boreal)
In a Gallup poll of 557 randomly selected adults, 284 said that they were underpaid.... (answered by stanbon)
1. In a poll, respondents were asked if they have traveled to Europe. 68 respondents... (answered by ikleyn)