ECON 83a: Statistics for Economic Analysis
Problem Set #2 Solutions, Fall 2016
1. The results below are reported in dollars (first, USD; then, CAD).
a. 60,000
b. 50,000
c. 249,714,286
d. 15,802
e. 26.34%
f.
University Salary (in C$1,000)
A
B
C
D
E
F
G
H
6
ECON 83a: Statistics for Economic Analysis
Problem Set #3, Fall 2016
Instructor: Tymon Soczynski
Due Date: October 14, 2016
Instructions: Your homework may be submitted in either of two ways. First, you
can put it in a cardboard box in front of my office
ECON 83a: Statistics for Economic Analysis
Problem Set #7, Fall 2016
Instructor: Tymon Soczynski
Due Date: December 2, 2016
Instructions: Your homework may be submitted in either of two ways. First, you
can put it in a cardboard box in front of my office
ECON 83a: Statistics for Economic Analysis
Problem Set #1, Fall 2016
Instructor: Tymon Soczynski
Due Date: September 9, 2016
Instructions: Your homework may be submitted in either of two ways. First, you
can put it in a cardboard box in front of my office
ECON 83a: Statistics for Economic Analysis
Problem Set #4, Fall 2016
Instructor: Tymon Soczynski
Due Date: October 21, 2016
Instructions: Your homework may be submitted in either of two ways. First, you
can put it in a cardboard box in front of my office
ECON 83a: Statistics for Economic Analysis
Problem Set #5 Solutions, Fall 2016
1.
a. 35; Yes, because E( x ) = .
b. 8.67; Yes, because E(s2 ) = 2 .
c. 2.94
d. E( x ) = ; x = 2 ; the sampling distribution of x is normal if the population is
normally distri
ECON 83a: Statistics for Economic Analysis
Problem Set #3 Solutions, Fall 2016
1.
a.
x
f (x)
1
2
3
4
5
6
7
8
9
10
0.15
0.05
0.075
0.05
0.125
0.05
0.1
0.125
0.125
0.15
b. 0.275
c. E( x ) = 5.925, Var ( x ) = 9.6694
d. The probability of a new car dealershi
ECON 83a: Statistics for Economic Analysis
Problem Set #5, Fall 2016
Instructor: Tymon Soczynski
Due Date: October 28, 2016
Instructions: Your homework may be submitted in either of two ways. First, you
can put it in a cardboard box in front of my office
ECON 83a: Statistics for Economic Analysis
Problem Set #1 Solutions, Fall 2016
1.
a. 7
b. 5
c. 7
d. Categorical: Identification Number, Classification, Gender, Rank in Class; Quantitative: Grade Point Average
e. Identification Number nominal, Grade Point
ECON 83a: Statistics for Economic Analysis
Problem Set #6, Fall 2016
Instructor: Tymon Soczynski
Due Date: November 18, 2016
Instructions: Your homework may be submitted in either of two ways. First, you
can put it in a cardboard box in front of my office
ECON 83a: Statistics for Economic Analysis
Problem Set #4 Solutions, Fall 2016
1.
a. 0.8858
b. 0.0086
c. 0.0934
d. 0.9941
e. 0.9484
f. 0.0838
g. 0.0529
h. 0.0000
2.
a. 1.85
b. 1.22
c. 1.06
d. 1.16
e. 1.49
f. 2.06
3.
a. 4.46%
b. 2.56%
c. 91.46%
d. 5.5065 o