Ivo Dinov UCLA Statistics, Neurology, LONI, Math/PIC 

STAT 13 (2a, 2b, 2c) 
Introduction to Statistical Methods for the Life and Health Science 
Department of Statistics 
Instructor: Ivo Dinov 
Homework 2 
Due Date: Wednesday, Oct. 15, 2003 
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a. Construct
a scatter plot of the paired data (Age vs. Price).
b. What does the scatter plot convey to you about the price of a vehicle
in relation to its age?
c. If
you were to draw a line showing the trend in the relationship you described
in (b), what would be its direction as you move from left to right?
What could you say about its slope?
d. Draw
the line that you believe fits the data the best.
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