Stat 5201, April 4, 2008
Name
Twenty-six people took the exam. The average score was 61.0 and the standard deviation of
the scores was 18.3. The range went from 32 to 98.
1. A department store is interested in customers opinion about their new hours. From
FINAL EXAM
STAT 5201
Spring 2013
Due in Room 313 Ford Hall
on Friday May 17 at 3:45 PM
Please deliver to the oce sta
of the School of Statistics
READ BEFORE STARTING
You must work alone and may discuss these questions only with Glen Meeden. You may use
th
Stat 5201, April 12, 2013
Name
This test is closed book but you may use both sides of one 8 by 11 formula sheet. You may not
use a calculator. It is enough to express any numerical answer as a formula which can easily be
evaluated.
Fifty people took the e
Least squares
Four preliminary facts:
n
i=1 (ui
1. If u = (u1 , . . . , un ) is a vector of real numbers then
n
i=1 (ui
2. The function h(x) =
u) = 0.
x)2 is minimized at x = u.
3. The function f (x) = ax2 2bx + c is minimized at x = b/a and f (b/a) = c
Stats 5201 Lecture Notes
Calculating estimates for stratified random samples
Here is some R code that finds the stratified estimator of the population mean under simple
random sampling and an estimate of its standard deviation.
First I call a simple popul
Stats 5201 Lecture notes
Sample Survey
From one point of view sample survey is the fundamental problem of statistics.
Sample survey is unusual because it introduces unnecessary randomization into a problem
through the sampling design.
In the standard freq
STAT 5201 HW6
6-1.
Edition 2: Chapter6-Problem 4 (Edition 1: Chapter6-Problem 6)
Note: The handout Studying the Horvitz-Thompson Estimator will help you
do the following problem.
6-2. Consider a population where x is a random sample from some distribution
FINAL EXAM
STAT 5201
Spring 2012
Due in Room 313 Ford Hall
Either Wednesday May 9 or Friday May 11 at 3:45 PM
Please deliver to the oce sta
of the School of Statistics
READ BEFORE STARTING
You must work alone and may discuss these questions only with Glen
Stat 5201, April 6, 2012
Name
This test is closed book but you may use both sides of one 8 by 11 formula sheet. You may not use a
calculator. It is enough to express any numerical answer as a formula which can easily be evaluated
Each part of the exam was
FINAL EXAM
STAT 5201
Spring 2011
Due in Room 313 Ford Hall
Friday May 13 at 3:45 PM
Please deliver to the oce sta
of the School of Statistics
READ BEFORE STARTING
You must work alone and may discuss these questions only with Glen Meeden. You may use
the c
Stat 5201, April 15, 2011
Name
This test is closed book but you may use both sides of one 8 by 11 formula sheet. You may not
use a calculator. It is enough to express any numerical answer as a formula which can easily be
evaluated
This test was taken by 3
Stat 5201, April 14, 2010
Name
This test is closed book but you may use both sides of one 8 by 11 formula sheet. You may not
use a calculator. It is enough to express any numerical answer as a formula which can easily be
evaluated using a calculator.
1. T
FINAL EXAM
STAT 5201
Spring 2010
Due in Room 313 Ford Hall
Friday May 14 at 3:45 PM
Please deliver to the oce sta
of the School of Statistics
READ BEFORE STARTING
You must work alone and may discuss these questions only with Glen Meeden. You may use
the c