Stat 5021: Homework 4
Due Date: Sep 6th
1. Confidence Interval.pdf: Problem 2 in Section 4.
2. Confidence Interval.pdf: Problem 4 in Section 4.
3. Confidence Interval.pdf: Problem 5 in Section 4.
4. IntroHypothesisTesting.pdf: Problem 3 in Section 4.
5. I
STAT 5021 Homework 3
Due date: Sep 29
1. Example 6.2 in Estimation.
2. Example 6.3 in Estimation.
3. Let X1 , X2 , ., Xn be a random sample from the distribution N orm = 0, 2 = 0.25 .
Let Y1 , Y2 , ., Yn be a random sample from the distribution Bernoulli
STAT 4101 (Fall 2017) Homework 2
Assigned: Wednesday, September 13
Due: Wednesday, September 20
Directions: Show all work for each problem below and explain your answer fully. Do not use
software! Provide exact solutions (not decimal approximations) to ea
Homework 1
Tejaswini Gupta worked with Gornekhun, Danyang and Yejin Kim
Problem 1
1.
C1 t +C 2 t = y
C1 t +C 2 t =10
y=10
2.
BC when young: C1 t + v t mt=10
BC when old: C2 t +1=v t+ 1 mt
vt
Lifetime BC (combining the BC when young and old): C1 t + v C 2
Problem set 2 for Econ 4721
Tejaswini Gupta worked with Xueqi Shi
1.
ROR
n/z
n/z
O
f(k)
k k
k
Lets assume that the initial money growth rate at z=3% and it increases to z=10% permanently.
The increase of money growth rate decreases the rate of return of f
Problem 4
Summarize briefly the main points of the article
This paper was written by Ricardo Reis and analyzes the Central Bank Design of
the United States. The paper begins by describing the background for this discussion,
while the end of the Iraqi war
Put your answers for multiple choice questions here (use capital letters):
1
A
2
C
3
C
4
D
5
C
6
B
7
B
8
C
9
B
10
A
Part #2 (30 points total) (Questions 11 - 15)
A certain Minneapolis company is interested in how much of a households garbage contains glas
Part #1: Multiple Choice Questions
(20 points total, 4 points each) Choose one of the listed choices for each of the following 5 questions (no
explanation is needed), put your answers in the table on the top of next page, page 4.
1. One-way ANOVA is used
Homework 4. Time series. Due day: March 10th
February 28, 2017
1. (Linear prediction). Suppose that cfw_Xt is an AR(1) process with mean 0.
Xt = 1 Xt1 + Wt
with Wt N (0, 1) and |1 | =
6 1. Suppose we have observed X1 and X3
and we would like to estimate
CSci 2033
Homework 3
Spring 2017
Due Date: This assignment is due Wednesday, Feb. 22. (Note that due to the Feb. 15
midterm this is a two week assignment.) There are two parts: Part A, which consists of
Problems 1 to 7, is to be submitted in hard copy in
STAT 4101 (Fall 2016) Homework 7
Assigned: Wednesday, October 26
Due: Wednesday, November 2
Solutions
Directions: Show all work for each problem below. Do not use software! Provide exact solutions
to each of the problems requiring a numeric answer. You ma
STAT 4101 (Fall 2016) Homework 12
Assigned: Wednesday, December 7
Due: Wednesday, December 14
1. Textbook Problems: 5.133, 5.136(a,b), 5.139, 6.6, 6.7.
Solution:
5.133 The distribution function for Y is
(
6(1 y2 ) 0 y1 y2 1
F (y1 , y2 ) =
0
elsewhere
(
Z
Stat 4101 Name (Print): 5 S; [email protected]\ .
Fall 2016
Midterm Two Student ID:
' Time Limit: 50 Minutes
MW
Instructions:
o Do not begin or turn this page until you are instructed to.
a Enter all requested information on the top and bottom of this page, and put y
STAT 4101 (Fall 2016) Homework 9
Assigned: Monday, November 7
Due: MONDAY, November 14
Directions: Show all work for each problem below. Do not use software! Provide exact solutions
to each of the problems requiring a numeric answer. You may also include
1. [ 10 points ]
Suppose that
X Gamma(, )
Y |X Poi(X)
Compute E(Y ) and VAR(Y ).
2. [ 7 points ]
Suppose X is a random variable with the following moment generating function:
mX (t) =
1
1
5t
t<
State the distribution of X, including its parameters.
2
1
5
STAT 4101 (Fall 2016) Homework 7
Assigned: Wednesday, October 26
Due: Wednesday, November 2
Directions: Show all work for each problem below. Do not use software! Provide exact solutions
to each of the problems requiring a numeric answer. You may also inc
STAT 4101 (Fall 2016) Homework 8
Assigned: Wednesday, November 2
Due: Wednesday, November 9
Solutions
Directions: Show all work for each problem below. Do not use software! Provide exact solutions
to each of the problems requiring a numeric answer. You ma
STAT 4101 (Fall 2016) Homework 8
Assigned: Wednesday, November 2
Due: Wednesday, November 9
Directions: Show all work for each problem below. Do not use software! Provide exact solutions
to each of the problems requiring a numeric answer. You may also inc
STAT 4101 (Fall 2016) Homework 9
Assigned: Monday, November 7
Due: MONDAY, November 14
Solutions
Directions: Show all work for each problem below. Do not use software! Provide exact solutions
to each of the problems requiring a numeric answer. You may als