Following complaints about the working conditions in some apparel factories both in the United States and abroad, a join government and industry commission recommended in 1998 that companies that monitor and enforce proper standards be allowed to display a “No Sweat” label on their products. Does the presence of these labels influence consumer behavior? A survey of U.S. residents aged 18 or older asked a series of questions about how likel they would be to purchase a gament under various conditions. For some conditions, it was stated that the garment had a “No Sweat” label; for others, there was no mention of such a label. On the basis of the responses, each person was classified as a “label use” or a “label nonuser” there were 296 women surveyed. Of these, 63 were label users. On the other hand, 27 of 251 men were classified as users.

(a) Give a 95% confidence interval for the difference in the proportions.

(b) You would like to compare the women with the men. Set up appropriate hypotheses, and find the test staitistic and the P-value. What do you conclude?

Please provide the Stata commands and outputs where necessary, thank you.

4. The following are data on

y = quit rate per 100 employees in manufacturing

x = unemployment rate

The data are for United States and cover the period 1990-2002.

(a) Estimate the regression and report the results

(b) Construct a 95% confidence interval for β.

(c) Test the hypothesis H₀ : β = 0 against the alternative β=0 at the 5% significance level.

(d) Test Normality of the residuals using Jarque-Bera test.

(e) What is likely to be wrong with the assumptions of the classical normal linear model in this case? Discuss.

Maradona is, for those of you who don't follow football, history's best football player, as evidenced by his majestic goal against the Brits (do yourself a favour and google it... but after the test, of course). Suppose Maradona had the chance of setting up a football academy, which he would run himself and would occupy all of his time. He could set it up in 86, which was the peak of his career and footballing prowess. The monetary operating costs of running it at that time are fairly low (there is alot of land available, there isn't alot of technology to invest into the academy, etc). Alternatively, he could set it up in 1998, a year after his definitive retirement. At that time land is scarcer, and technology needs are higher, so the monetary operating costs of the academy would be higher. However, an economist argues that it is cheaper for Maradona to run his academy in 98 than in 86. Question: explain why an economist would claim it is cheaper to run the academy in 98 than in 86.

Maradona is, for those of you who don't follow football, history's best football player, as evidenced by his majestic goal against the Brits (do yourself a favour and google it... but after the test, of course). Suppose Maradona had the chance of setting up a football academy, which he would run himself and would occupy all of his time. He could set it up in 86, which was the peak of his career and footballing prowess. The monetary operating costs of running it at that time are fairly low (there is alot of land available, there isn't alot of technology to invest into the academy, etc). Alternatively, he could set it up in 1998, a year after his definitive retirement. At that time land is scarcer, and technology needs are higher, so the monetary operating costs of the academy would be higher. However, an economist argues that it is cheaper for Maradona to run his academy in 98 than in 86.

Question: explain why an economist would claim it is cheaper to run the academy in 98 than in 86.

The worksheet "grocery" of "Assignment #4-2 (DATA)" gives the median store size (in square feet) by year for grocery stores. Note that this file is the same as the one given in Question 1.

Step 1: Run the simple linear regression and find the slope of the sample regression equation. Give your answer to 4 decimal places.

Answer- .6783

Step 2- According to the sample regression line, a point estimate for the median grocery store size in 2012 is: (Give your answer to 1 decimal place.)

Answer- 49.9

Step 3- The standard error of fit is approximately?? (Give your answer to 3 decimal places.)

Year # AIDS cases diagnosed # AIDS deaths

Graph "year" vs. "# AIDS deaths." Do not include pre-1981. Label both axes with words. Scale both axes. Calculate the following. (Round your answers to the nearest whole number. Round the correlation coefficient r to four decimal places.)

a =

b=

r=

n=

Is it possible to provide health care without rationing? In 1948 every household in Britain received a leaflet stating that the new National Health Service would "provide you with all medical, dental and nursing care. Everyone - rich or poor, man, woman, or child - can use it or any part of it. There are no charges, except for a few special items."

a) This pioneering system of health care provision, which celebrated its 60th anniversary in 1998, was based on the assumption that the quantity of health care that would be demanded at a zero price is finite. The quantity demanded nevertheless overwhelms the quantity supplied at the zero price in Britain and all the countries that subsequently initiated similar systems and found themselves confronted by shortages of health care services. How would a shortage show itself in such a situation?

b) If health care is made available to everyone at a zero money price, and at this price the quantity demanded exceeds the quantity supplied, how will health care be rationed?

c) What system of rationing would you recommend?

PROVIDE REFERENCES

How much money would you have by the end of 2019? Problem 4. Hard problem: Suppose that you invested $x in 1980. Plot the amount of money you would have in 2019 for all values of $x between $0 and $100,000. Solve using R Studio

Quality of Life Program 2020 is one of the major Programs to attain 2030 vision. The program main focus is to improve the lifestyle of individual, family and the society of Saudi Arabia as a whole, in addition to infrastructure development.

For instance, in term of changing the lifestyle, several plans were placed to engage the citizens and residents in entertainment, sport and cultural activities. On the other hand, multiple projects were designed to improve the country`s infrastructure by upgrading transportation, housing, cities infrastructures, environment, healthcare, economic, education, security and social environment. The successful accomplishment of the Program objectives result in numerous jobs opportunities for citizens, and reinforce the economic growth by allowing various incomes sources.

Read the passage thoughtfully, look online to familiarize yourself with the program aspects, you will notice that many projects related to the program are already in process. Finally, answer the following questions, be aware that there is no one right answer as long as you defend your opinion with critical analyzes and use the materials covered in the class.

1. Choose one area from the quality program ( transportation , housing , educational opportunities , social environment , healthcare , entertainment , culture , art , sport …etc)

( 1 point )

2. Highlight at least three plans that are positioned by the government to enhance the quality in the area chosen? ( 1 points )

3. Based on your understanding, what could be the most effective organizational structure (Hierarchical, matrix, cross-functional, product or process based structure) that can be used in order to organize the process of implementation, and why? ( 1 point )

You are free to use more than one structure suggestion, however defend your answer with thoughtful reasons.  

4. Using the quality planning functions that you have studied earlier this semester, who are the interned target in your chosen area (be specific), what are their needs? ( 1 point )

5. How does this program fulfill these needs ( relate your answer to one of the quality approaches discussed in the class) ( 1 point )