Question

Social networking is becoming more and more popular around the world. Pew Research Center used a survey of adults in several countries to determine the percentage of adults who use social networking sites (USA Today, February 8, 2012). Assume that the results for surveys in Great Britain, Israel, Russia and United States are as follows. Country United Great Britain Israe Russia States Use Social Networking Sites Yes No 344 265 301 500 456 235 399 500 a. Conduct a hypothesis test to determine whether the proportion of adults using social networking sites equal for all four countries. Using a .05 level of significance. Use Table 12.4 Choose correct answer from above choice HaNot all population proportions The p-value is less than .01 What is your conclusion? are equalb. What are the sample proportions for each of the four countries? Round your answers to two decimal places Great Britain Israel Russia United States Which country has the largest proportion of adults using social networking sites? Great Britain c. Using a.05 level of significance, conduct multiple pairwise comparison tests among the four countries. Round P i, P and Diff to two decimal places CV ij Diff > CVj Diff Comparison p i Yes GB vs I No GB vs R Yes GB vs USA I Vs R I vs USA R vs USA Yes No Yes

0 0
Add a comment Improve this question Transcribed image text
✔ Recommended Answer
Answer #1

Ans Gnveu daa S 265 3 Soo yes NO 3h4 15635 31 506 Corveeb cha Ex ien 3 32 ilo . 2, t 24 5 311 30 IS1 0 Total Boo So 70O (000 30o 3415 30)Soo o 2 S 3311 So0 6-32 30 -eego 20.4つ371 2 30 3 1o o.ol. (o.0015) Cen cwsion eytal Onula icn Russin

Add a comment
Know the answer?
Add Answer to:
Social networking is becoming more and more popular around the world. Pew Research Center used a...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Similar Homework Help Questions
  • Social networking is becoming more and more popular around the world. Pew Research Center used a...

    Social networking is becoming more and more popular around the world. Pew Research Center used a survey of adults in several countries to determine the percentage of adults who use social networking sites (USA Today, February 8, 2012). Assume that the results for surveys in Great Britain, Israel, Russia and United States are as follows. Country Use Social Great United Networking Sites Britain Israel 265 235 Russia 301 399 States 344 500 No 456 500 a. Conduct a hypothesis test...

  • b. What are the sample proportions for each of the four countries? Round your answers to...

    b. What are the sample proportions for each of the four countries? Round your answers to two decimal places Great Britain Israel Russia United States Which country has the largest proportion of adults using social networking sites? Select your answer- c. Using a .05 level of significance, conduct multiple pairwise comparison tests among the four countries. Round ρ i, pj and Diff to two decimal places. Round CVij to four decimal places CV j Diff > Cv ij Diff n...

  • A survey found that social networking is popular in many nations around the world. Data was...

    A survey found that social networking is popular in many nations around the world. Data was collected on the level of social media networking (measured as the percent of individuals polled who use social networking sites) and the GDP per capita based on purchasing power party (PPP) for 24 countries. Complete parts (a) through (c) Click the icon to view the data table a. Compute and interpret the coefficient of correlation, The coefficient of correlation, r = indicates (1) -...

  • A survey found that social networking is popular in many nations around the world. Data was...

    A survey found that social networking is popular in many nations around the world. Data was collected on the level of social media networking​ (measured as the percent of individuals polled who use social networking​ sites) and the GDP per capita based on purchasing power parity​ (PPP) for 24 countries. Complete parts​ (a) through​ (c). Country   GDP (PPP)   Social media usage (%) 1   18,082   67 2   15,829   58 3   6118   47 4   6551   44 5   9942   41 6   15,270   41...

  • Benson Manufacturing is considering ordering electronic components from three different suppliers. The suppliers may differ in...

    Benson Manufacturing is considering ordering electronic components from three different suppliers. The suppliers may differ in terms of quality in that the proportion or percentage of defective components may differ among the suppliers. To evaluate the proportion defective components for the suppliers, Benson has requested a sample shipment of 500 components from each supplier. The number of defective components and the number of good components found in each shipment is as follows. Supplier Component 10 35 Good 490 465 455...

  • Benson Manufacturing is considering ordering electronic components from three different suppliers. The suppliers may differ in...

    Benson Manufacturing is considering ordering electronic components from three different suppliers. The suppliers may differ in terms of quality in that the proportion or percentage of defective components may differ among the suppliers. To evaluate the proportion defective components for the suppliers, Benson has requested a sample shipment of 500 components from each supplier. The number of defective components and the number of good components found in each shipment is as follows. Supplier Component Defective Good 10 25 50 490...

  • Hofstede (1980) surveyed business people in more than forty different countries and applied a statistical technique,...

    Hofstede (1980) surveyed business people in more than forty different countries and applied a statistical technique, which is called factor analysis, to their responses to determine the outstanding behavioral characteristics. Hofstede found that there were distinct behavioral constructs that could be used to differentiate cultures and labeled the constructs' cultural dimensions. The dimensions have been used in numerous research studies for both basic and applied research. The dimensions have helped cultural psychologists to define cultural groups and to determine the...

  • Develop a case study analysis in the following format Relevance of the case study to my...

    Develop a case study analysis in the following format Relevance of the case study to my work environment - application - learning impact CASE 4-1 Tambrands Overcoming Cultural Resistance Tampax, Tambrands's only product, is the best-selling tampon in their virginity if they use a tampon. When they go to the beach in the world, with 44 pencent of the global market North America and tiny bikinis, tampons arent their choike. Instead, hordes of women Europe account for 90 percent of...

  • photos for each question are all in a row (1 point) In the following questions, use...

    photos for each question are all in a row (1 point) In the following questions, use the normal distribution to find a confidence interval for a difference in proportions pu - P2 given the relevant sample results. Give the best point estimate for p. - P2, the margin of error, and the confidence interval. Assume the results come from random samples. Give your answers to 4 decimal places. 300. Use 1. A 80% interval for pı - P2 given that...

  • As a digital retailer,how does alibaba provide value to Chinese consumers ? whit sets of values...

    As a digital retailer,how does alibaba provide value to Chinese consumers ? whit sets of values are unique to the chinese market? Given that alibaba does not own or distribute any of the merchandise exchanged on its sites, describes what factors had to develop for the company to succeed. Analyze Alibaba's business model relative to all the different forms of digital and online marketing covered in this chapter. Can alibaba succeed in countries outside of China? Why or why not?...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT