Homework Answers
a) Percentage is linearly increasing over the time & having positive slope
b)Average yearly growth from 2010 to 2015 will be
percentage of college freshman in 2010 is 48 approximately
percentage of college freshman in 2015 is 58 approximately
increased Difference in percentage over 5 years is 11.5
averaged yearly growth will be 10/5=2
c)Estimated percentage in 2012 will be
because average yearly growth from 2010 to 2015 is two
so estimated percentage of college in 2012 will be 48+2+2=52
d)Actual percentage in 2012 was 49.5
but estimated percentage in 2012 is 2.5 more than actual
it means rate of growth varied exponentially from 2010 to 2015
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15. Grades. The bar graph in Figure 2.7 shows the percentage of college freshmen in the...
value: 10.00 points Average Daily TV Viewing Time Per U.S. Household Year 1950 1955 1960 1965...
value: 10.00 points Average Daily TV Viewing Time Per U.S. Household Year 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 Hours 4 Min 34 Total Min 274 309 330 367 390 418 431 453 441 468 492 506 534 30 30 58 21 48 12 26 54 8 E& Click here for the Excel Data File (a) Fit a linear trend to the Total Min data. (Round your answers to 2 decimal places.) (b) Make...
what does this figure show? Trends in the Present Discounted Value (PDV) of High School and...
what does this figure show?
Trends in the Present Discounted Value (PDV) of High School and College Earnings Net of Tuition A: Men 1,600,0001 1,400,000 1,200,000 1,000,000 800,000 00,000 400,000 l PDV earnings, high school gradiste, men PDV carnings.college gracuate men 200.000 1965 1970 197519801985 1990 1995 2000 2005 2010 B: Women 1.200,0001 1,000,000 800,000 600,000 400,000 200,000 亠PDV c ar nings, high school graduate, women PDV earnings, college gralaate, wumen 1965 1970 1975 1980 1985 1990 1995 2000 2005...
20 321 Average Daily TV Viewing Time Per U.S. Household Year Hours Min Total Min 1950...
20 321 Average Daily TV Viewing Time Per U.S. Household Year Hours Min Total Min 1950 260 1955 298 1960 1965 349 1970 364 1975 404 1980 433 1985 453 1990 437 1995 458 2000 484 2005 524 2010 0 VOU 557 Click here for the Excel Data File (a)Fit a linear trend to the Total Min data. (Round your answers to 2 decimal places.) (b)Make a forecast for 2015. (Round your answer to the nearest whole number.) Forecast for...
In 1990, a university had an enrollment of 76,075 students. By 2009, the enrollment had increased...
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The bar graph on the right shows the average cost of room and board at four-year...
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Based on the above table answer the following questions; What year is the base year? (15) ...
Based on the above table answer the following
questions;
What year is the base
year?
(15)
__________________________________________
In which year, did we experience deflation?
(15)
______________________________
What was the rate of inflation between 1970 and 1980?
(15) ________________________
If you earned $10,000 in 1990, how much would you have
had to earn in 2016 in order to maintain the same purchasing power?
(5) ___________________________________
Table 4.3 1970 - 2018 Consumer Price Index for All Urban Consumers Price Price Price Price...
A) Perform the plots of import/export versus yearly & apply the moving average technique to smooth...
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Test: PRACTICE Final Submit Test This Question: 1 pt 7 of 25 This Test: 25 pts possible Year Expenditures (S bilions) The table shows the national expenditures for health care, in billions, in a c...
Test: PRACTICE Final Submit Test This Question: 1 pt 7 of 25 This Test: 25 pts possible Year Expenditures (S bilions) The table shows the national expenditures for health care, in billions, in a country for selected years from 1995 with projections to 2020 Complete parts (a) through (c) below. 1995 2000 2005 2010 2015 2020 1013 1340 1976 2933 3283 4321 a. Find a linear function that models the data, with x equal to the number of years ater...
value: 10.00 points Average Daily TV Viewing Time Per U.S. Household Year 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 Hours 4 Min 34 Total Min 274 309 330 367 390 418 431 453 441 468 492 506 534 30 30 58 21 48 12 26 54 8 E& Click here for the Excel Data File (a) Fit a linear trend to the Total Min data. (Round your answers to 2 decimal places.) (b) Make...
what does this figure show?
Trends in the Present Discounted Value (PDV) of High School and College Earnings Net of Tuition A: Men 1,600,0001 1,400,000 1,200,000 1,000,000 800,000 00,000 400,000 l PDV earnings, high school gradiste, men PDV carnings.college gracuate men 200.000 1965 1970 197519801985 1990 1995 2000 2005 2010 B: Women 1.200,0001 1,000,000 800,000 600,000 400,000 200,000 亠PDV c ar nings, high school graduate, women PDV earnings, college gralaate, wumen 1965 1970 1975 1980 1985 1990 1995 2000 2005...
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In 1990, a university had an enrollment of 76,075 students. By 2009, the enrollment had increased to 86,167. (a) What was the average annual change in enrollment from 1990 to 2009? (Round your answer to the nearest whole number.) students/year (b) Use the average annual change in enrollment to estimate the enrollments in 1995, 2000, and 2005. (Round your answers to the nearest whole number.) 1995 students 2000 students 2005 students (c) Write the equation of a line that represents...
12. In 2015, 88% of US residents used the internet, up from 14% in 1995 The table shows the percent who use the internet for selected years from 2000 and projected to 2025. Year 2000 2005 2010 2015 2020 2025 Percent 67 79 82 88 95 98 Find the logarithmic function that models the percent p as a function of x, the number of years after 1990. State the correlation coefficient. a) b) Use the model to predict the percentage...
The bar graph on the right shows the average cost of room and board at four-year public and private colleges for four selected years from 2011 through 2017. The data can be modeled by f(x) = 960x + 3456 and g(x) = 3874 e 0.135x in which f(x) and g(x) represent the average cost of room and board at public four-year colleges in the school year ending x years after 2010. Use these functions to complete parts (a) through (c)...
15 Oil prices have increased a great deal in the last decade. The following table shows the average oil price for each year since 1949. Many companies use oil products as a resource in their own business operations (like airline firms and manufacturers of plastic products). Managers of these firms will keep a close watch on how rising oil prices will impact their costs. The interest rate in the PV/FV equations can also be interpreted as a growth rate in...
Based on the above table answer the following
questions;
What year is the base
year?
(15)
__________________________________________
In which year, did we experience deflation?
(15)
______________________________
What was the rate of inflation between 1970 and 1980?
(15) ________________________
If you earned $10,000 in 1990, how much would you have
had to earn in 2016 in order to maintain the same purchasing power?
(5) ___________________________________
Table 4.3 1970 - 2018 Consumer Price Index for All Urban Consumers Price Price Price Price...
Test: PRACTICE Final Submit Test This Question: 1 pt 7 of 25 This Test: 25 pts possible Year Expenditures (S bilions) The table shows the national expenditures for health care, in billions, in a country for selected years from 1995 with projections to 2020 Complete parts (a) through (c) below. 1995 2000 2005 2010 2015 2020 1013 1340 1976 2933 3283 4321 a. Find a linear function that models the data, with x equal to the number of years ater...
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