Question

In June 2015, Gallup conducted a poll of a random sample of 15552 adults to determine...

In June 2015, Gallup conducted a poll of a random sample of 15552 adults to determine the well-being of people living in the United States. One question asked, “Did you exercise at least 30 minutes for 3 or more days in the past week?” In the survey, 55.3% of males and 44.7% of females responded yes to this question. Which of the following is true about this scenario?

  1. 55.3% and 44.7% are both statistics.
  2. If we took another random sample of 15552 adults, we would expect to get the exact same results.
  3. 55.3% and 44.7% are both parameters.

Homework Answers

Answer #1

(a)

55.3% and 44.7% are both statistics.

Correct option:

TRUE

Explanation:

55.3% and 44.7% are the characteristic of the sample and so 55.3% and 44.7% are both statistics.

(b)

If we took another random sample of 15552 adults, we would expect to get the exact same results.

Correct option:

FALSE

Explanation:
The sample statistic will vary from sample to sample.

(c)

55.3% and 44.7% are both parameters.

Explanation:

55.3% and 44.7% are not the characteristic of the population and so 55.3% and 44.7% are not .both parameters.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A July 2015 Gallup poll interviewed by phone a random sample of 1009 American adults; 675...
A July 2015 Gallup poll interviewed by phone a random sample of 1009 American adults; 675 said they were regular coffee drinkers. Give a 99% confidence interval for the proportion of American adults who are regular coffee drinkers. detailed solution please and thank you.
4.11 Not in the margin of error. According to a June 2015 Gallup Poll, more American...
4.11 Not in the margin of error. According to a June 2015 Gallup Poll, more American adults ages 18 to 29 report being single and never married —the percentage has risen from 52% in 2004 to 64% in 2014. For American adults aged 30 to 39, this same percentage has risen modestly from 15% in 2004 to 19% in 2014. The Gallup press release says: For results based on the total sample of Americans ages 18 to 29 or 30...
3.16 Environmental problems. A Gallup Poll found that Americans, when asked about a list of environmental...
3.16 Environmental problems. A Gallup Poll found that Americans, when asked about a list of environmental problems, were increasingly worried about problems such as pollution of drinking water, soil, air, and waterways, but were least worried about climate change or global warming. Gallup’s report said, “Results for this Gallup poll are based on telephone interviews conducted March 5–8, 2015, with a random sample of 1,025 adults, aged 18 and older, living in all 50 U.S. states and the District of...
On June 4–24, 2007, the Gallup Poll asked a nationwide sample of adult Americans about their...
On June 4–24, 2007, the Gallup Poll asked a nationwide sample of adult Americans about their attitude toward interracial marriage. Of the 2388 adults interviewed, 77% said that they approve of marriage between whites and blacks. a. Is this number (77%) a parameter or a statistic? Explain briefly. b. What kind of graph would be appropriate for displaying the results of this survey—a dotplot or a bar graph? Explain briefly. (Do not create the graph.) c. Identify the sample size...
A survey conducted in July 2015 asked a random sample of American adults whether they had...
A survey conducted in July 2015 asked a random sample of American adults whether they had ever used online dating (either an online dating site or a dating app on their cell phone). 18-to 24-year-olds The survey included 194 young adults (ages 18 to 24 ) and 53 of them said that they had used online dating. If we use this sample to estimate the proportion of all young adults to use online dating, the standard error is 0.032 ....
Assume a 2015 Gallup Poll asked a national random sample of 482 adult women to state...
Assume a 2015 Gallup Poll asked a national random sample of 482 adult women to state their current weight. Assume the mean weight in the sample was ?¯=164. We will treat these data as an SRS from a normally distributed population with standard deviation ?=36 pounds. Give a 90% confidence interval for the mean weight of adult women based on these data. Enter the upper and lower values of your confidence interval into the spaces provided rounded to two decimal...
3- A recent Gallup poll of a random sample of 1,015 US adults reported that a...
3- A recent Gallup poll of a random sample of 1,015 US adults reported that a 95% confidence interval for the population proportion of adults who frequently worry about being the victim of identity theft is (0.32, 0.40). (a) We are 95% confident that what parameter is contained in this interval? (Circle your answer.) Can we say that there is a probability of 95% that this parameter is actually contained in this interval? A) sample proportion B) population proportion C)...
A CBS News poll conducted June 10 and 11, 2006, among a nationwide random sample of...
A CBS News poll conducted June 10 and 11, 2006, among a nationwide random sample of 651 adults, asked those adults about their party affiliation (Democrat, Republican or none) and their opinion of how the US economy was changing ("getting better," "getting worse" or "about the same"). The results are shown in the table below. Better Same Worse Republican 38 104 44 Democrat 12 87 137 None 21 90 118 If we randomly select one of the adults who participated...
A CBS News poll conducted June 10 and 11, 2006, among a nationwide random sample of...
A CBS News poll conducted June 10 and 11, 2006, among a nationwide random sample of 651 adults, asked those adults about their party affiliation (Democrat, Republican or none) and their opinion of how the US economy was changing ("getting better," "getting worse" or "about the same"). The results are shown in the table below. better same worse Republican 38 104 44 Democrat 12 87 137 none 21 90 118 Express each of your answers as a percent rounded to...
A poll conducted in 2012 asked a random sample of 1342 adults in the United States...
A poll conducted in 2012 asked a random sample of 1342 adults in the United States how much confidence they had in banks and other financial institutions. A total of 143 adults said that they had a great deal of confidence. An economist claims that less than 14% of U.S. adults have a great deal of confidence in banks. Can you conclude that the economist's claim is true? Use both α=0.10 and α=0.01 levels of significance and the P-value method...