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- Jobs and productivity! How do retail stores rate? One way to answer this question is to examine annual profits per employee. The following data give annual profits per employee (in units of 1 thousand dollars per employee) for companies in retail sales. Assume o 3.5 thousand dollars. 3.6 6.9 3.6 8.2 7.8 5.3 8.3 6.3 -1.2 4.3 2.7 5.7 (a) Find x for the preceding data. (Round your answer to two decimal places.) thousand dollars per employee (b) Let us say that the preceding data are representative of the entire sector of retail sales companies. Find an 80% confidence interval for u, the average annual profit per employee for retail sales (Round your answers to two decimal places.) lower limit thousand dollars upper limit thousand dollars (c) Find an 95% confidence interval for u, the average annual profit per employee for retail sales. (Round your answers to two decimal places.) lower limit thousand dollars upper limit thousand dollarsThe data in the table characterizes the income distribution for a country. Income category Share of income (%) Cumulative share of income (%) first quintile 7.0 --- second quintile 9.0 16.0 third quintile --- 37.0 fourth quintile 25.0 --- fifth quintile 38.038.0 --- What percentage of the total population is categorized as belonging to the second quintile? Give your responses as whole numbers. Percentage of population in second quintile:__________% What percentage of the total income for the country is earned by the third quintile? Percentage earned by the third quintile:__________% What is the cumulative share of income earned by the poorest 80% of the population? Percentage earned by the poorest 80%:__________%Need help with this
- C8. According to the Pew Research Center (2015), recent immigrants are better educated than earlier immigrants to the United States. The change was attributed to the availability of better education in each region or country of origin. The percentage of immigrants 25 years of age and older who completed at least high school is reported in this table for 1970 to 2013. Write a statement describing the change over time in the percentage who completed at least a high school degree. 1970 1980 1990 2000 2013 Mexico 14 17 26 30 48 Other Central/South America 57 53 60 66 Asia 75 72 75 82 84 48 68 81 87 95 Europe 36 48 52 58 72 Caribbean 81 91 88 85 85 Africa Source: Pew Research Center, Modern Immigration Wave Brings 59 Million to U.S., Driving Population Growth and Change Through 2065, 2015. Retrieved from https://www.pewresearch.org/hispanic/2015/09/28/modern- immigration-wave-brings-59-million-to-u-s-driving-population-growth-and-change-through-2065/ 52Using the data from the table Disease or illness less than $35,000 $35,000 - 49,999 $50,000 - 74,999 $75,000 - 99,999 $100,000 or more Coronary heart disease 8.1 6.5 6.3 5.3 4.9 Stroke 3.9 2.5 2.3 1.8 1.6 Emphysema 3.2 2.5 1.4 1.0 0.8 Chronic bronchitis 6.3 4.0 4.4 2.2 2.4 Diabetes 11.0 10.4 8.3 5.6 5.9 Ulcers 8.7 6.7 6.5 4.7 4.4 Kidney disease 3.0 1.9 1.3 0.9 0.9 Liver disease 2.0 1.6 1.0 0.6 0.7 Chronic arthritis 33.4 30.3 27.9 27.4 24.4 Hearing trouble 17.2 16.0 16.0 16.2 12.4 Vision trouble 12.7 9.8 7.5 5.7 6.6 No teeth 11.6 7.8 5.5 4.2 4.1 A) create a line graph plotting Annual family income on the x-axis and prevalence of disease or illness on the y-axis. Include all data points for each disease on the same chart ( i.e.? plot the prevalence for each disease or illness as it's own line on a single chart) B) do any of the chronic disease in the table appear to have a dose-response relationship to annual family income? Justify your…The family budget is illustrated in the figure to the right. What percent of take-home pay is spent for education if education, savings, and miscellaneous funds are used for education? The percent of total take-home pay used for education is% Distribution of Family Monthly Take-Home Pay Food $450 Housing $500 Insurance $80 Education $130 Personal $90 Miscellaneous $80 Clothing $170 Savings $150 Transportation $150
- Concise Core Mathemalil () their total income for 2006, if there was a decrease of 8% mcome on advertising, an increase of 5% on donations, but the rest remained unchanged 4. A golf club has its membership categorized as men, women, juniors and social members The pie chart below illustrates the distribution of membership in 2010. Given that there were 147 men and 35 social memberss, calculate Women Men/ 168 48 Junior Social (a) the number of junior members; (b) the angle of the sector representing the social members; (c) the number of women.19. Achievement Test Scores The data shown represen the scores on a national achievement test for a group of 10th-grade students. Find the approximate percentile ranks of these scores by constructing a percentile graph. a. 220 b. 245 c. 276 d. 280 e. 300 Score 196.5-217.5 217.5-238.5 238.5-259.5 259.5-280.5 280.5-301.5 301.5-322.5 Frequency 17 48 For the same data, find the approximate scores that cor- respond to these percentiles. f 15th g. 29th h. 43rd i. 65th j. 80thScenario: The following table lists the typing speed as measured by a standard typing test for 12 college students, along with the number of pages they had to type for their Sociological Research Methods class. Use the data to answer the Three questions listed below. Make sure that you summarize and report if the results were significant using the F ratio formula. Report your answers in the Computed Value Tables. Student Number of pages typed Typing speed Chris 37 73 Mary 6 24 Paul 12 36 Juan 24 72 Marcel 16 50 Olga 7 19 Ni 22 49 Nima 4 6 Sari 34 48 Jarrod 32 59 Kevin 17 38 Lisa 8 16 Computed Values Record the Results for each value ∑x 490 ∑y 219 ∑xy 10662 SSx 4159.66 SSy 1210.25 SP 1719.5 r 0.76636 a 1.37 b 0.41388 Regression Equation Computed values Compute and record SS residual 499.4515…
- S An employee at Coconino Community College (CCC) is evaluated based on goal setting and accomplishments toward the goals, job effectiveness, competencies, and CCC core values. The categories, ratings, and weights for a particular employee are shown in this table. Weight % 2 Category Competency 1 Competency 2 Competency 3 Competency 4 Competency 5 Goal 1 Goal 2 Job Effectiveness Core Values Rating 3 2 4 2 4 4 4 3 2 433 3 20 2282 22 20 23 Compute a weighted average score for this employee. Round your answers to two decimal places. Average score for this employee:Workplace Fatalities in 2013 93% 7% Source: Bureau of Labor and Statistics Women Men Look at the fatalities pie chart below. Which of the following conclusions is correct? 93% of all men who are employed suffer a fatal injury. 7% of all women suffer a fatal injury. 7% of all fatal work injuries are suffered by women.2.5 The population in Park City is made up of children, working-age adults, and retirees. The table below shows the three age groups, the number of people in the town from each age group, and the proportion (%) of people in each age group. Construct a bar graph showing the proportions. Number of people 67,059 152,198 131,662 Age groups Proportion of population Children 19% Working-age adults 43% Retirees 38%
