(Answered) Question roper through their roper reports worldwide gfk

Statistics

Question: Roper. Through their Roper Reports Worldwide, GfK Roper conducts a global consumer survey to help multinational companies understand different consumer attitudes throughout the world. Within 30 countries, the researchers interview 1000 people aged 13-65. Their samples are designed so that they get 500 males and 500 females in each country. (www.gfkamerica.com)

a) Are they using a simple random sample? Explain.

b) What kind of design do you think they are using?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92455571
Price:- $15

Verified Expert

Priced at $30 Now at $15, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A company that sells annuities must base the annual payout

A company that sells annuities must base the annual payout on the probability distribution of the 2) length of life of the participants in the plan. Suppose the probability distribution of the lifetimes of the participan ...

Could you please teach me why the following question is

Could you please teach me why the following question is considered True. "True or False? Based expected value an investment that produces a payoff of $10 with probability 0.3 and -$3 with probability 0.7 is a viable inve ...

If all the data values in a population are converted to

If all the data values in a population are converted to? z-scores, the distribution of? z-scores will have what? mean? Choose the correct answer below. A. The mean of the? z-scores will be zero. B. The mean of the? z-sco ...

Suppose a machine has two components that prevent injury

Suppose a machine has two components that prevent injury; component A and component B. If either of the components fail, an employee will be injured. It is important to note that both A and B cannot fail at the same tim ...

Please let me know what are the steps involved in computing

Please let me know what are the steps involved in computing the future value when you have multiple cash flows.

Assume the random variable x is normally distributed with a

Assume the random variable x is normally distributed with a mean u=80 and a standard deviation o=4. Find the indicated probability. P(69 P(69 Round to four decimals places as needed.

Describe the general concept of economic analysis is this

Describe the general concept of economic analysis. Is this type of analysis necessary, and can it really help the individual investor make a decision about stock? Explain

A travel analyst claims that the mean room rates at a

A travel analyst claims that the mean room rates at a three-star hotel in Chicago is greater than $152. In a random sample of 36 three-star hotel rooms in Chicago, the mean room rate is $165 with a standard deviation of ...

A researcher wants to determine if lead levels are

A researcher wants to determine if lead levels are different between the top of a glass of water and the bottom of a glass of water. Many samples of water are taken. From half, the lead level at the top is measured and f ...

A logging contractor has three feller bunchers on any given

A logging contractor has three feller bunchers. On any given day, each machine has a 90% chance of working. The contractor is considering buying a fourth feller buncher to offset the possibility of none of the machines o ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert