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l . (28 points) An SRS of size 10 was taken from a STATE class of 400 students and the average MATH SAT
score of the sampled students was 600 with a standard deviation of 50 (when they entered the university). A
midterm exam was given to the STATZ class.
NAME:
ID:
Stat 152, Fall 2003
Midterm 2
SHOW YOUR WORK
Q1
Q2
Q3
Extra
Total
Full
60+5
1. (45 pts) A population consists of 10 individuals. One individual lives in each of three
clusters: City A, City B or City C. These 10 individuals heights are described
Stat 152, Fall 2005
Midterm II
SHOW YOUR WORK
NAME:
ID:
Q1
Q2
Q3
Q4
Extra
Total
Full Mark
60+5
1. (24 pts) A population consists of 8 individuals. Each individual lives in one of the three cities:
City A, City B or City C. These 8 individuals heights are
Midterm Practice Problems
Stat 152, Spring 2015
During the exam you will be allowed a calculator, so feel free to use one while
doing these problems. Do not use a computer as one will not be available during the
exam. All Condence Intervals should be 95%.
Final Practice Problems
Stat 152, Spring 2015
Note the nal is cumulative but these problems are only from the material
after the midterm. Refer to the practice problems and midterm for review
of material from the rst part of the semester.
1. Answer TRUE o
Homework 3: 40 points
Stat 152, Spring 2016
Due Friday, March 4
Besides the first problem, the other problems are from section 4.8 of the text by Lohr.
= yS is Cov(B,
x
1. (5 points) In class, we saw that the bias of B
S ). In this problem we will use T
NAME:
ID:
Stat 152, Fall 2006
Midterm 1
SHOW YOUR WORK
1. (28 Points) Suppose you want to estimate the percentage of persons who have been
immunized against polio in Gilbert (population 59,000) and can take an SRS of persons.
(a). (8 Points) What should