ECO 302
Econometrics
Review of Probability and Statistics
September 13, 2016
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Brief Overview of the Course
Economic theory suggests important relationships, often with policy implications, but
rarely gives the quantitative magnitudes of the eects.
I
ECO 202 - Introduction to Statistics, Spring 2005
Solutions to Final Exam
1. (30 pts) The manager of a cultured pearl farm has received
a special order for a pearl between 8.5 millimeters and 9.5 millimeters in diameter. From past experience, the manager
Princeton University
Economics Dept.
Ulrich Mller
ECO 202 Introduction to Statistics, Spring 2015
Final Exam
This is a closed book, closed notes exam, with a one-sided letter cheat sheet allowed. The
exam consists of 7 questions for a total of 180 points.
Princeton University
Economics Dept.
Ulrich Mller
ECO 202 Introduction to Statistics, Spring 2008
Final Exam
This is a closed book, closed notes exam, with a one-sided letter cheat sheet allowed. The
exam consists of 5 questions for a total of 180 points.
Mean and Variance as Measures of Center and Spread of Distributions of
RVs
! Can think of many measures of center and spread (median, interquartile range, etc)
! Among all measure of center, mean is unique in the sense that knowing center of X
(i.e., E[X]