please help me on this Population Growth in Central and Eastern European CitiescityBerlinViennaKievBudapestIstanbulBerlinViennaKievBudapestIstanbul1870826,000834,000127,000320,000531,000BerlinViennaKievPopulationBudapestIstanbul19102.071 million2.031 million323,000880,000782,000The table above gives historical population statistics for five cities in Central and EasternEurope. For each city calculate the rate of population growth (k) from 1870 to 1910. We'll callthis k, and enter it in the table below. Which city grew the fastest? Which grew the slowest?Cityk, (1870-1910)fast/slowk₂ (1950-1989)19503.337 million1.616 million1.104 million1.571 million1.179 millionFinally, use your values for k₂ to estimate the current population of each city.CityCurrent Population (est.)19893.353 million1.488 million2.587 million2.114 million5.843 millionNext, calculate k₂ - the value of k from 1950 to 1989-for each city. Compare your values ofk₂ with your values for k₁. For which cities did the rate of population growth increase? Forwhich cities did the rate decrease?↑ or !

The above data set is, PopulationCity…

Answered: Population Growth in Central and…

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter4: Eigenvalues And Eigenvectors

Section4.6: Applications And The Perron-frobenius Theorem

Problem 22EQ

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The most obese countries in the world have obesity rates that range from 11.4% to 74.6%. This data is summarized in the following table. Percent of Population Obese 11.4-20.45 20.45-29.45 29.45-38.45 38.45-47.45 47.45-56.45 56.45-65.45 65.45-74.45 74.45-83.45 Number of Countries 27 11 5 1 4 2 0 1 (a) What is the best estimate of the average obesity percentage for these countries? (Round your answer to two decimal places.) 26.51 X (b) The United States has an average obesity rate of 33.9%. Is this rate above average or below? (Round your answers to two decimal places.) Since the average for the United Sates is 33.9%, compared to the average obesity rate of X %, the United States has an obesity rate average. X% higher than
The most obese countries in the world have obesity rates that range from 11.4% to 74.6%. This data is summarized in the following table. Percent of Population Obese Number of Countries 11.4-20.45 29 20.45-29.45 14 29.45-38.45 38.45-47.45 47.45-56.45 2 56.45-65.45 65.45-74.45 1 74.45-83.45 1 (a) What is the best estimate of the average obesity percentage for these countries? (Round your answer to two decimal places.) 24.77 (b) The United States has an average obesity rate of 33.9%. Is this rate above average or below? (Round your answers to two decimal places.) Since the average for the United Sates is 33.9%, compared to the average obesity rate of 24.77 X %, the United States has an obesity rate 9.13 X % higher than average. (c) How does the United States compare to other countries? (Assume that the United States is included in the data. Assume the other countries in the range 29.45-38.45 have higher obesity than the United States.) O The United States has an obesity rate lower than…
Obesity is a growing public health concern worldwide. Adults with a high body mass index (BMI) of 25 or above are considered overweight or obese. The table below shows the number of adults (in millions) who are overweight or obese in countries with different income levels, based on data from the World Health Organization and the United Nation. Country income level High Upper middle Lower middle Low All Millions with BMI < 25 414 1042 1083 357 2896 Millions with high BMI Total 963 1654 549 612 288 1371 420 4408 63 1512 (a) What is the probability that an adult has a high BMI? (b) What is the probability that an adult lives in a high-income country and has a high BMI? (c) What is the probability that an adult lives in a high-income country, given that the adult has a high BMI? (d) Are the country income level and BMI type independent? Justify your answer.
5. The Chart below provides a comparison of social network use by age groups. a) Is the data for Facebook time series or cross-sectional? b) Comment on the trend between age and use of Facebook (i.e. as age increases does use of Facebook increase or decrease?) Social Seniors Flock to Facebook % of U.S. online adults who use social networks, by age group* 18-29 30-49 50-64 65+ 87% 73% 63% 56% 53% 37% 31% 30% 25% 25% 23% 21% 12% 11% 6% 10% facebook. Instagram Linked in Fast beautfuOphoto shanng CC O e * September 2014 statista @statistacharts Source: Pew Research Center
he GDP and selected indicators for the United States, years 2019 and 2020, are found below. What are the explanatory and response variables? National Accounts, Current Prices, Non-Seasonally Adjusted 2019 2020 Gross Domestic Product, Nominal, Domestic Currency 21,433,226.30 20,932,758.50 Household Consumption Expenditure, incl. NPISHs, Nominal, Domestic Currency 14,544,600.80 14,147,416.30 Government Consumption Expenditure, Nominal, Domestic Currency 2,995,056.00 3,037,173.30 Gross Fixed Capital Formation, Nominal, Domestic Currency 4,454,940.30 4,470,361.50 Change in Inventories, Nominal, Domestic Currency 49,100.00 -76,963.30 Exports of Goods and Services, Nominal, Domestic Currency 2,514,750.80 2,126,394.50 Imports of Goods and Services, Nominal, Domestic Currency 3,125,221.30 2,771,623.50
You may need to use the appropriate appendix table or technology to answer this question. Samples of starting annual salaries for individuals entering the public accounting and financial planning professions follow. Annual salaries are shown in thousands of dollars. Public Accountant 66.2 Financial Planner 63.0 72.8 63.2 70.3 67.1 74.2 69.9 68.2 67.9 71.0 67.6 64.9 65.7 73.5 69.9 73.0 67.8 67.9 62.9 (a) Use a 0.05 level of significance and test the hypothesis that there is no difference between the starting annual salaries of public accountants and financial planners. State the null and alternative hypotheses. O Ho: Median salary for public accountants - Median salary for financial planners ≤ 0 Ha: Median salary for public accountants - Median salary for financial planners > 0 O Ho: The two populations of salaries are identical. Ha The two populations of salaries are not identical. O Ho Median salary for public accountants - Median salary for financial planners > 0 H: Median salary for…
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What is the relationship between the average income and the level of education in a given population, and how does this relationship vary across different regions and demographic groups?
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Español ✓ 2 ✓ 3 ✓ 4 ✓ 5 6 ✓ 7 8 9 10 11 12 > Miguel is a human resources executive for a technology company. He is deciding between two types of plans for vacation allowance for the employees of the company: Unlimited and Traditional. Miguel wants to determine, for workers in the tech industry, if the yearly mean number of vacation days taken by workers with an Unlimited plan is greater than the yearly mean number of vacation days taken by workers with a Traditional plan. Miguel surveys a random sample of 17 workers who have the Unlimited plan and a random sample of 15 workers who have the Traditional plan. (These samples are chosen independently.) For each worker, he records the number of vacation days taken last year. For the workers with an Unlimited plan, the sample mean is 18.1 with a sample variance of 34.3. For the workers with a Traditional plan, the sample mean is 15.8 with a sample variance of 5.5. Assume that the two populations of vacation days taken are approximately…
Plane crashes An investigation compiled informationabout recent nonmilitary plane crashes (www.planecrashinfo.com). The causes, to the extent that they couldbe determined, are summarized in the table. a) Is it reasonable to conclude that the weather or mechanical failures caused only about 20% of recentplane crashes?b) In what percent of crashes were the causes notdetermined?c) Create an appropriate display for these data

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