Overall, do deer populations seem to exhibit exponential or logistic growth? Explain.
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[itemA5] (refer to the photo below) Overall, do deer populations seem to exhibit exponential or logistic growth? Explain.
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- Oil ProductionThe following table shows the amount of crude oil in billions of barrels produced in the United States in recent years. Source: U.S. Energy Information Administration. Year Crude Oil Produced 2002 2.097 2003 2.060 2004 1.989 2005 1.893 2006 1.857 2007 1.853 2008 1.830 2009 1.954 2010 2.000 2011 2.063 2012 2.377 In this exercise we are interested in the total amount of crude oil produced over the 10-year period from mid-2002 to mid-2012, using the data for the 11 years above. One approach is to sum up the numbers in the second column, but only count half of the first and last numbers. Give the answer to this calculation. Approximate the amount of crude oil produced over the 10-year period 2002-2012 by taking the average of the left endpoint sum and the right endpoint sum. Explain why this is equivalent to the calculation done in part a. This is also equivalent to a formula known as the trapezoidal rule, discussed in the next chapter. If your calculator has a cubic regression feature, find the best-fitting cubic function for these data, letting t=0 correspond to 2000. Then integrate this equation over the interval [2.12] to estimate the amount of crude oil produced over this time period. Compare with your answer to part a.Repair Time in Hours Months Since Last Service Type of Repair Repairperson 2.9 2 Electrical Donna Newton 3.0 6 Mechanical Donna Newton 4.8 8 Electrical Bob Jones 1.8 3 Mechanical Donna Newton 2.9 2 Electrical Donna Newton 4.9 7 Electrical Bob Jones 4.2 9 Mechanical Bob Jones 4.8 8 Mechanical Bob Jones 4.4 4 Electrical Bob Jones 4.5 6 Electrical Donna Newton 2.9 2 Electrical Donna Newton 3.0 6 Mechanical Donna Newton 4.8 8 Mechanical Donna Newton 1.8 3 Mechanical Donna Newton 2.9 2 Electrical Donna Newton 4.9 7 Electrical Bob Jones 4.2 9 Electrical Bob Jones 4.8 8 Mechanical Bob Jones 4.4 4 Electrical Bob Jones 4.5 6 Electrical Donna Newton Develop the simple linear regression equation to predict repair time given the number of months since the last maintenance service, and use the results to test the hypothesis that no relationship exists between repair time and the number of months since the last maintenance service at the 0.05 level of…Data showing the population by state as of 2012 in millions of people follow (The World Almanac). Population No State Population No State 1 Alaska 0.7 13 Maryland 5.8 2 Arizona 6.4 14 Massachusetts 6.5 3 Arkansas 2.9 15 Michigan 9.9 4 Colorado 5.0 16 Mississippi 3.0 5 Connecticut 3.6 17 Missouri 6.0 6 Delaware 0.9 18 Montana 0.9 7 Florida 18.8 19 Nebraska 1.8 8 Georgia 9.7 20 New Hampshire 1.3 9 Idaho. 1.6 21 New Jersey 8.8 10 Indiana 6.5 22 New Mexico 2.0 11 Iowa 3.0 23 New York 19.4 12 Maine 1.3 24 North Carolina 9.5 a. Develop a frequency distribution, a percent frequency distribution, and a histogram. Round your answers to whole number. If your answer is "zero", enter "0". Frequency Population in Millions Percent Frequency ✔ X 12 0.0 - 2.4 2.54.9 × X 5.0 - 7.4 7.5-9.9 10.0 12.4 12.5 14.9 15.0 17.4 X 17.5 19.9 20.0 - 22.4 22.5 24.9 X 25.0 27.4 27.5 - 29.9 30.0 32.4 32.5-34.9 35.0 37.4 Total xx × % % % % X% % *% % % X% X% 1% % % % X% X No State 25 North Dakota 26 Ohio 27 Oklahoma 28…
- Average Printer Year Personal Computers Sold Printers Sold Price 1 1,045 326 11875 2 1,610 510 12250 3 860 296 13000 4 1,211 478 10500 975 305 10250 6 1,117 506 9250 7 1,066 612 8750 8 1,310 560 7500 1,517 590 7000 10 1,246 676 6250 5.Score GPA Hours Absences Gender78 3.15 3.0 4 Female75 2.71 4.0 1 Female79 3.57 3.5 2 Male85 3.26 6.5 0 Female85 3.75 2.0 0 Female84 3.20 4.5 3 Female85 3.16 5.0 3 Male80 3.35 1.5 0 Female74 2.75 3.5 6 Male81 3.04 6.5 1 Male76 2.53 3.0 0 Female85 2.92 6.0 1 MalePopulation by broad age groups in country A, 1990 & 2011 Country A 2011 Country A 1990 Both Age group Male Female Both sexes Male Female sexes 0-4 47847 46274 94121 66500 65332 131832 ,0-14 91332 87961 179293 138583 135740 274323 15-19 49709 48669 98378 58221 56156 114377 20-24 57407 56833 114240 52076 52031 104107 20-59 393309 385239 778548 293415 293945 587360 60+ 84107 93569 177676 49669 56172 105841 65+ 54462 64568 119030 34928 40813 75741 All Ages Given the data in the table above for Country A, calculate the following. 1. Aged child ratio 2. Percentage of the population under 15 3. Percent of population classified as youth 4. Percent of the population classified as dependent elderly 5. Sex ratio of working age population 6. Total dependency ratio 7. Population 60-64 years 8. Adjusted child dependency ratio 9. Percentage increase in total population