Identify the control variable for each: 1) How successful is a particular educational program for alcohol abusers in reducing alcoholism? 2) What impact do gun registration laws have on homicide rates? 3) How have the payment limits for Medicare patients affected the health of senior citizens?
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- The emergence of giant multinational corporations is said to have altered the very nature of international economic activity. In what ways do these MNCs affect the structure and pattern of trading relationships between the developed world and the developing world?Does the new training program appear to be more effective than the older training program in lowering the weight of its new prospects?Given that there are more women in the labor force, more women holding advanced degrees, how does the glass ceiling and the second shift contribute to the persistence of gender inequality?
- The National Assessment for Educational Progress (NAEP) is a U.S. government organization that assesses the performance of students and schools at all levels across the United States. The following table presents the percentage of eighth-grade students who were found to be proficient in mathematics and the percentage who were found to be proficient in reading in each of the ten most populous states. Use excels to find: State Percentage Proficient in Reading Percentage Proficient in Mathematics California 60 59 Texas 73 78 New York 75 70 Florida 66 68 Illinois 75 70 Pennsylvania 79 77 Ohio 79 76 Michigan 73 66 Georgia 67 64 North Carolina 71 73 Activities: Construct a scatterplot with reading proficiency on the horizontal axis and math proficiency on the vertical axis. Is there a linear relationship? Compute the correlation between reading proficiency and math proficiency. Is the linear…Jensen Tire & Auto is in the process of deciding whether to purchase a maintenance contract for its new computer wheel alignment and balancing machine. Managers feel that maintenance expense should be related to usage, and they collected the following information on weekly usage (hours) and annual maintenance expense (in hundreds of dollars).The St. Lucian Government is interested in predicting the number of weekly riders on the public buses using the following variables: Price of bus trips per week The population in the city The monthly income of riders Average rate to park your personal vehicle City Number of weekly riders Price per week Population of city Monthly income of riders Average parking rates per month 1 192,000 $15 1,800,000 $5,800 $50 2 190,400 $15 1,790,000 $6,200 $50 3 191,200 $15 1,780,000 $6,400 $60 4 177,600 $25 1,778,000 $6,500 $60 5 176,800 $25 1,750,000 $6,550 $60 6 178,400 $25 1,740,000 $6,580 $70 7 180,800 $25 1,725,000 $8,200 $75 8 175,200 $30 1,725,000 $8,600 $75 9 174,400 $30 1,720,000 $8,800 $75 10 173,920 $30 1,705,000 $9,200 $80 11 172,800 $30 1,710,000 $9,630 $80 12 163,200 $40 1,700,000 $10,570…
- The St. Lucian Government is interested in predicting the number of weekly riders on the public buses using the following variables: Price of bus trips per week The population in the city The monthly income of riders Average rate to park your personal vehicle City Number of weekly riders Price per week Population of city Monthly income of riders Average parking rates per month 1 192,000 $15 1,800,000 $5,800 $50 2 190,400 $15 1,790,000 $6,200 $50 3 191,200 $15 1,780,000 $6,400 $60 4 177,600 $25 1,778,000 $6,500 $60 5 176,800 $25 1,750,000 $6,550 $60 6 178,400 $25 1,740,000 $6,580 $70 7 180,800 $25 1,725,000 $8,200 $75 8 175,200 $30 1,725,000 $8,600 $75 9 174,400 $30 1,720,000 $8,800 $75 10 173,920 $30 1,705,000 $9,200 $80 11 172,800 $30 1,710,000 $9,630 $80 12 163,200 $40 1,700,000 $10,570…The St. Lucian Government is interested in predicting the number of weekly riders on the public buses using the following variables: Price of bus trips per week The population in the city The monthly income of riders Average rate to park your personal vehicle City Number of weekly riders Price per week Population of city Monthly income of riders Average parking rates per month 1 192,000 $15 1,800,000 $5,800 $50 2 190,400 $15 1,790,000 $6,200 $50 3 191,200 $15 1,780,000 $6,400 $60 4 177,600 $25 1,778,000 $6,500 $60 5 176,800 $25 1,750,000 $6,550 $60 6 178,400 $25 1,740,000 $6,580 $70 7 180,800 $25 1,725,000 $8,200 $75 8 175,200 $30 1,725,000 $8,600 $75 9 174,400 $30 1,720,000 $8,800 $75 10 173,920 $30 1,705,000 $9,200 $80 11 172,800 $30 1,710,000 $9,630 $80 12 163,200 $40 1,700,000 $10,570…What is price discrimination? Under what conditions are firms able to exercise price discrimination? Are consumers better off or worse off when they face a price discriminating monopolist rather than a simple monopolist? Why?
- During the Covid crisis, there were lockdowns and working-from-home, whichmade collecting data on unemployment more challenging. Researchers fromHeriot Watt University conducted a survey of 1,000 individuals in the labour forceto assess rise in unemployment in September 2020. The object was to find outwhether the unemployment rate had risen above a benchmark proportion of 5per cent of the labour force in Scotland. Of the surveyed persons, 60 reportedbeing unemployed in the week prior to the survey.(i) Conduct a two-tailed test of whether unemployment rate during this periodwas 5 per cent. Set out your null and alternative hypotheses, significancelevel, test statistic, assumptions and sampling distribution clearly. Conductthe test and comment on the economic significance of the findings. (ii) Now conduct a one-tailed test of whether unemployment rate during thisperiod exceeded 5 per cent. Set out your null and alternative hypotheses,significance level, test statistic, assumptions and…During the Covid crisis, there were lockdowns and working-from-home, which made collecting data on unemployment more challenging. Researchers from a US University conducted a survey of 1,000 individuals in the labour force to assess rise in unemployment in September 2020. The object was to find out whether the unemployment rate had risen above a benchmark proportion of 5 per cent of the labour force in Scotland. Of the surveyed persons, 60 reported being unemployed in the week prior to the survey. Conduct a two-tailed test of whether unemployment rate during this period was 5 per cent. Set out your null and alternative hypotheses, significance level, test statistic, assumptions and sampling distribution clearly. Conduct the test and comment on the economic significance of the findings.Use the data from Fuentes’ study to test the hypothesis that the proportion of grocery stores that currently carries Fuentes’ Candied Bacon Potato Chips is equal across its eight U.S. sales regions. Use a 5 .05. New England Mid-Atlantic Midwest Great Plains South Atlantic Deep South Mountain Pacific Yes Yes No No Yes Yes Yes No No Yes Yes Yes Yes Yes Yes No Yes Yes No Yes No Yes No No Yes No Yes Yes Yes Yes Yes No Yes Yes No Yes Yes Yes No Yes No No No Yes No Yes No No Yes Yes Yes Yes Yes Yes Yes No No Yes Yes No Yes No Yes Yes Yes No No No Yes Yes Yes Yes Yes No No Yes Yes Yes No No Yes Yes Yes Yes Yes Yes No Yes Yes No No Yes Yes No Yes No No Yes Yes Yes Yes Yes No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No Yes No No Yes Yes No No No Yes No Yes Yes Yes Yes Yes No No Yes Yes Yes Yes No Yes No Yes No Yes Yes Yes Yes No Yes No Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes No…