1.34
a) The number of doctors per 100,000 people is a better measure of the availability of health
care than the number of doctors in a state because states are not equally populated.
b) The histogram is skewed to the right with the spread from 161 to 683
18.41
H0: =224
s=.0618025
Ha: 224
xbar=224.0019
n=16 n=4
t= xbar - = 224.0019 224 = .1254
s/n
.0618025/4
degrees of freedom=n-1=15
P = .9091
18.42
a) The matched pairs t test should be used to answer this question because it compares
responses for separat
Government 10 Final Examination
June 2, 2006
SOLUTION GUIDE
1. All items are Not True except for part b.
2. Heights of Dartmouth students. . .
(a) If Government 10 students are representative of Dartmouth students, are a random
sample of Dartmouth student
Government 10 Final Examination
Spring, 2008
You have two hours to complete the Government 10 nal examination. The exam is
closed-book and closed-notes with the exception of the formula sheet from Moore. No
electronic devices may be used when completing t
Introduction
According to a popular Dartmouth stereotype, there are two types of Dartmouth
students: exuberant, intellectually curious, and organized freshmen, and lazier, sleepier,
less intellectually curious upper-classmen. Popular logic suggests that t
Government 10 Midterm Examination
February 4, 2009
You have 65 minutes to complete this exam. The exam is closed-book and closed-notes with the exception of the
formula and table sheet from Moore. No electronic devices may be used when completing this exa
(c) (5) You seek to carry out a chi-squared test of the hypothesis that gender is
independent of type of major. The test is at level 0.02. What is the critical
value for your test?
(d) (10) Suppose you have a theory that says that the probability a studen
Government 10 Midterm Examination
February 6, 2008
You have 65 minutes to complete this exam. The exam is closed-book and closed-notes with the
exception of the formula and table sheet from Moore. No electronic devices may be used when
completing this exa
(d) (4) Assuming that you do not know and that s = 2, carry out a test of
the null hypothesis that the mean of Dartmouth students is 71 inches; use a
two-sided alternative and let = 0.01. Do you reject the null or not?
(e) (8) Suppose that you are concern