NEW YORK UNIVERSITY
DEPARTMENT OF ECONOMICS
ECON-UB.18.011: Statistics
HOMEWORK #1
Due by 10am on Wednesday September 18
The following two problems refer to exercises in the book (p. is the page
numbe
Statistics
New York University - Fall 2013
Prof.: Roman Frydman
Solutions to Homework 4
Problem 1
A. Let us call DA the event where bond A defaults. For B; we call it DB : As we know from
class, the t
NEW YORK UNIVERSITY
DEPARTMENT OF ECONOMICS
ECON-UB.18.011: Statistics
HOMEWORK #2
Due by 10am on Wednesday September 25
Problem 1 Create 100 observations of a Normal Random Variable with
mean = 0 and
Solution to Problem Set 3
Problem 1
Denote E the event that a selected individual is educated, and H the event that the individual is honest.
()
The given probabilities are ( )
, and besides that we k
NEW YORK UNIVERSITY
DEPARTMENT OF ECONOMICS
ECON-UB.18.011: Statistics
HOMEWORK #4
Due by 10am on Wednesday October 9
Problem 1 Consider two randomly selected corporate bonds: A and B. Suppose that th
NEW YORK UNIVERSITY
DEPARTMENT OF ECONOMICS
ECON-UB.18.011: Statistics
HOMEWORK #5
Due by 10am on Wednesday October 16.
NEW YORK UNIVERSITY
Due by 10am on Wednesday October 16
Problem 1 An automobile
NEW YORK UNIVERSITY
DEPARTMENT OF ECONOMICS
ECON-UB.18.011: Statistics
F 9:30-12:15 SILVER 405
Fall 2013
Professor Roman Frydman
[email protected]
19 West 4th Street, Room 515
Office hours: Friday
What Oswald Spengler called the Faustian spirit of the 19th century gave
us all the great inventions that inform our daily lives: electricity, the
automobile, the aeroplane, and so forth. The latter p
Problem 1 (Exercise 2.136)
a.
b.
c.
d.
Pie chart
Type of gun
Rifle
See the graph below:
35
30
25
%
20
15
10
5
0
Rifle
Sh o tg u n
Rev o lv er
Semi au to Pisto l
Ty pe of Gun
Lo n g Gu n
Han d g u n
So
Statistics
New York University - Fall 2013
Prof.: Roman Frydman
Solutions to Homework 2
Problem 1
a. The following picture displays the histogram:
The blue line is the shape of a normal distribution w
NEW YORK UNIVERSITY
DEPARTMENT OF ECONOMICS
ECON-UB.18.011: Statistics
HOMEWORK #3
Due by 10am on Wednesday October 2
Problem 1 In a given population 10% of individuals are educated and 60%
are honest
Statistics: Solution of Homework #5
Problem 1
We will use the table f. (n=10) on page 816 in the book, which shows the cumulative binomial
probabilities.
Using the binomial table we find
A. The probab
Guide to Minitab
ECON-UA 18
1. Import Data (27-28)
There are several ways to load data into Minitab.
a. Key-in data in the worksheet
Example:
C1, C2is the variable name. Labels can be added in the sec