 |
 |
Chapter 2
Section 2.1, Extension of Exercise 79 (page 180)Go to the U.S. Census Bureau http://www.census.gov/. Click on "Statistical Abstract" under "Special Topics," then click on "USA Statistics in Brief," then click on "Prices," and then record the crude oil imports listed under "Energyy" for the given years.
(a) Draw a scatter plot of the data.
(b) Use your grapher to find the median-median regression equation
and overlay its graph on a scatter plot of the data.
(c) Use the equation in (b) to predict the crude oil imports for
second year beyond the recorded data.
Section 2.6, Extension of Exercise 66 (page 230)
Find the four fourth roots of 16 by solving 
Section 2.8, Extension of Exercise 73 (page 268)
Let 
(a) Assume x is in the interval defined
by 
Give a convincing argument that 
(b) Draw a diagram to support your argument in (a).