To graph: The scatter plot with academic years as the independent variable by using graphing utility, where the data in the following table represents the average in-state tuition and fees at public four year colleges and universities in the United States from academic year 1990 − 91 to 2017 − 18 : Academic year Tuition and fees (in 2017 dollars) 1990 − 91 ( x = 0 ) 3580 1995 − 96 ( x = 5 ) 4510 2000 − 01 ( x = 10 ) 4970 2005 − 06 ( x = 15 ) 6880 2009 − 10 ( x = 19 ) 8040 2013 − 14 ( x = 23 ) 9310 2017 − 18 ( x = 27 ) 9970
To graph: The scatter plot with academic years as the independent variable by using graphing utility, where the data in the following table represents the average in-state tuition and fees at public four year colleges and universities in the United States from academic year 1990 − 91 to 2017 − 18 : Academic year Tuition and fees (in 2017 dollars) 1990 − 91 ( x = 0 ) 3580 1995 − 96 ( x = 5 ) 4510 2000 − 01 ( x = 10 ) 4970 2005 − 06 ( x = 15 ) 6880 2009 − 10 ( x = 19 ) 8040 2013 − 14 ( x = 23 ) 9310 2017 − 18 ( x = 27 ) 9970
Solution Summary: The author explains how the following table represents the average in-state tuition and fees at public four year colleges and universities in the United States from academic year 1990-91 to 2017-18.
Definition Definition Representation of the direction and degree of correlation in graphical form. The grouping of points that are plotted makes it a scatter diagram. A line can be drawn showing the relationship based on the direction of points and their distance from each other.
Chapter 5, Problem 58RE
(a)
To determine
To graph: The scatter plot with academic years as the independent variable by using graphing utility, where the data in the following table represents the average in-state tuition and fees at public four year colleges and universities in the United States from academic year 1990−91 to 2017−18:
The exponential model using graphing utility, where the data in the following table represents the average in-state tuition and fees at public four year colleges and universities in the United States from academic year 1990−91 to 2017−18:
The function y=(3610.268401)(1.040624942)x in the form of A(t)=Aoekt, where the data in the following table represents the average in-state tuition and fees at public four year colleges and universities in the United States from academic year 1990−91 to 2017−18:
To graph: The exponential function A(t)=3610.268401e(0.03982)t or y=(3610.268401)(1.040624942)x on scatter plot, where data in the following table represents the average in-state tuition and fees at public four year colleges and universities in the United States from academic year 1990−91 to 2017−18:
The prediction of academic year when the average tuition will reach $16,000, where data in the following table represents the average in-state tuition and fees at public four year colleges and universities in the United States from academic year 1990−91 to 2017−18:
Estimating Useful Life and Percent Used UpThe property and equipment footnote from the Deere & Company Equipment and Operations segment follows.Property and Depreciation A summary of property and equipment at October 31 follows.
Useful Lives*
Property and Equipment ($ millions)
(Years)
2015
2014
Land
$114
$120
Buildings and building equipment
23
2,794
3,037
Machinery and equipment
11
4,833
5,089
Dies, patterns, tools, etc
8
1,567
1,552
All other
5
875
889
Construction in progress
345
530
Total at cost
10,528
11,217
Less accumulated depreciation
5,846
5,694
Total
$4,682
$5,523
*Weighted averages
Total property and equipment additions in 2015, 2014 and 2013 were $666 million, $1,016 million and $1,158 million, and depreciation was $692 million, $696 million and $637 million, respectively.a. Compute the average useful life of Deere’s depreciable assets at year-end 2015.
Round answer to one decimal place.Answer
years…
The population of Ada County, Idaho has been steadily increasing for more than 20 years. The table below shows the population (people) from 2015 through 2019 in Ada County.
year
2015
2016
2017
2018
2019
population 432,862 444,486 456,548 468,764 481,587
a. What is the average rate of change in the population of Ada County from 2015 to 2018? Round to the nearest whole person and include units.
b. What is the average rate of change in the population of Ada County from 2016 to 2018? Round to the nearest whole person and include units.
c. What is the average rate of change in the population of Ada County from 2017 to 2018? Round to the nearest whole person and include units.
d. What is the average rate of change in the population of Ada County from 2018 to 2019? Round to the nearest whole person and include units.
e. Give a good approximation for the rate at which the population of Ada County is growing by the end of 2018? Round to the nearest whole person and include units.
Use the table to express the
2006
fatality rate in deaths per 100 million vehicle-miles traveled.
Year
Population
(millions)
Traffic fatalities
Licensed drivers(millions)
Vehicle miles(trillions)
1984
247
47,711
162
1.8
1991
288
42,093
183
2.6
2006
298
47,481
195
3.3
The 2006 fatality rate is____deaths per 100 million vehicle-miles.
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