The following table is of profit, revenue, and number of employees of 10 companies.Profit US $ billionRevenue/employeeNo. of EmployeesExxonRoyal DutchBritish PetroleumPetrofina SATexao InElf AquitaineENIChevron Corp.PDVSASK11.77.44.42.32.90.983.43.14.50.125US$96,17074,28870,85967,39692,10211,46137,41584,61584,8214,087a) For the 10 companies, the mean profit per company is $(Round answer to one decimal place.)c) The "overall" mean profit per employee is $(Round answer to nearest whole number.)billion US.b) The "overall" mean revenue per employee (i.e., for all employees of these firms combined) of the 10 companies isUS.$(Round answer to nearest whole number.)1229001051005644069062293118380080176393645659730595US/employee.

The question is about measures Given : To find : a ) The mean profit per company b ) The overall…

Answered: The following table is of profit,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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/ 52
A health-conscious company decides to make a trail mix out of almonds, dried cranberries, and chocolate-covered cashews. The nutritional information for these items is shown in the table below. Almonds Cranberries Cashews (per 10 pieces) (per 10 pieces) (per 10 pieces) Fat (g) 6. 0,02 Protein (g) 2 3.5 Carbohydrates (g) 8 5.5 For the "hiking" mix, there are 1,000 total pieces of mix. The total amount of protein is 55 g, and the total amount of fat is 131.6 g. If there are the same number of almonds as cashews, how many pieces of each item are in the trail mix? almonds pieces cranberries pieces cashews pieces Additional Materials
The "Dogs of the Dow" are the stocks listed on the Dow with the highest dividend yield. The following table shows the top 10 stocks of the "Dogs of the Dow" list for 2015, based on their performance the preceding year. Symbol Company T VZ CVX PFE GE MCD McDonald's MRK AT&T Verizon XOM Chevron Pfizer General Electric Merck CAT Caterpillar ExxonMobil Price ($) Yield 33.59 46.78 93.70 112.18 3.82% 31.15 25.27 56.79 91.53 92.45 5.48% KO Coca-Cola 42.22 4.70% 3.63% 3.60% 3.48% 3.17% 3.06% 2.99% 2.89% You decide to make a small portfolio consisting of a collection of 4 of the top 10 Dogs of the Dow. (a) How many portfolios are possible? 210 ✔ portfolios (b) How many of these portfolios contain MRK but not PFE? 8 X portfolios (c) How many of these portfolios contain at most one stock priced above $60? 210 X portfolios
only HANDWRITTEN answer needed ( NOT TYPED)
Wetlands offer a diversity of benefits. They provide a habitat for wildlife, spawning grounds for U.S. commercial fish, and renewable timber resources. In the last 200 years, the United States has lost more than half its wetlands. Environmental Almanac gives the percentage of wetlands lost in each state in the last 200 years. For the 30 of the lower 48 states, the percentage loss of wetlands per state is as follows. 83 59 35 30 33 45 45 50 59 87 35 50 37 20 68 48 71 51 51 60 38 87 38 9 42 90 42 50 27 27 Make a stem-and-leaf display of these data. (Use the tens digit as the stem and the ones digit as the leaf. Enter NONE in any unused answer blanks.) How are the percentages distributed? Is the distribution skewed? Are there any gaps? (Select all that apply.) a)The percentages are concentrated from 20% to 60%. b)These data are strongly skewed left. c)There are no gaps in the data. d)These data are fairly symmetric, perhaps slightly skewed right. e)There is a gap…
Many countries, especially those in Europe, have significant gold holdings. But many of these countries also have massive debts. The following data show the total value of gold holdings in billions of U.S. dollars and the debt as a percentage of the gross domestic product for nine countries (WordPress and Trading Economics websites, February 24, 2012). Click on the datafile logo to reference the data. Country Gold Value Debt China 63 17.7 France 146 81.7 Germany 203 83.2 Indonesia 33 69.2 Italy 147 119 Netherlands 36 63.7 Russia 50 9.9 Switzerland 62 55 U.S. 487 93.2 Using the entire data set, develop the estimated regression equation that can be used to predict the debt of a country given the total value of its gold holdings. y^ = (to 4 decimals) (to 4 decimals) Gold Value Suppose that after looking at the scatter diagram in part (a) that you were able to visually identify what appears to be an…
1.76 Peace Corps Volunteers. The Peace Corps is an indepen- dent U.S. government agency that provides trained volunteers for countries requesting assistance. According to Peacecorps.org, as of September 2012, volunteers currently serve in about 76 different host countries. The average age of a volunteer is about 28 years old. The following table reports the percentage of total volunteers serving by geographic region. Percent of volunteers Region Africa 43% Latin America 21% Eastern Europe/Central Asia 15% Asia 10% Caribbean 4% North Africa/Middle East 4% Pacific Islands 3% a. Use the table to design a procedure for obtaining a stratified sam- ple (with proportional allocation) of 50 Peace Corps volunteers. b. If stratified random sampling with proportional allocation is used to select the sample of 50 Peace Corps volunteers, how many would be selected from the Caribbean?
Health insurers are beginning to offer telemedicine services online that replace the common office visit. Kean healthcare provides a video service that allows subscribers to connect with a physician online and receive prescribed treatments. Kean healthcare claims that users of its LiveHealth Online service saved a significant amount of money on a typical visit. The data shown below ($), for a sample of 5 online doctor visits, are consistent with the savings per visit reported by Kean Healthcare. 92 105 56 76 96 Assuming the population is roughly symmetric construct a 90% confidence interval for the mean savings for a televisit to the doctor as opposed to an office visit.

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