Econometrics hwk 1
Summarize
Q.1
. summarize faminc totalexp readg5
Family income:
Mean = 58482.06, Min = 33355.93, Max = 175774
The mean/ average family income in the Pennsylvania school district is 58482.06 and it
ranges from 33355.93 to 175774.
Total E
Econ 31
First Exam
Fall 11
For many of the questions we use a data file with 4137 individuals with the following
variables:
1. sat combined SAT score
2. tothrs total hours through fall semester
3. colgpa GPA after fall semester
4. athlete =1 if athlete
5.
Comments 1st midterm EC 31 F 11
1.In section II. Part C question 4 Ive decided not to include the part a
(the average colgpa for males) and part c ( the average colgpa for
females) in the grading because it is too tricky to derive the answers
from the inf
Econ 31
Second Exam
I. Discuss the role of the frequency distribution of sample means in statistical inference.
A. How do its shape and characteristics relate to the shape and characteristics of the
population from which the samples are drawn?
B. How does
Econometrics P-set 5
Complex Hypotheses F tests
1.
a) The money supply is made up of both the currency component of the money stock
and the total time deposits at all depository institutions.
b) Stata:
. reg m2 currency deposits
Source |
SS
df
MS
Number o
Hollister
ECON031
Econometrics Problem Set 4
Part 1
1. STATA summarize
2. HRWG: This variable denotes the wage per hour of the workers sampled.
AGE: This variable denotes the age of the workers sampled.
EDUC: This variable denotes the education level of t
Problem set 6
To start off:
. reg lwage educ black south
Source |
SS
df
MS
Number of obs = 3010
-+-F( 3, 3006) = 215.54
Model | 104.913121 3 34.9710404
Prob > F = 0.0000
Residual | 487.728524 3006 .162251671
R-squared = 0.1770
-+-Adj R-squared = 0.1762
To
Econ 31
First Exam
Fall 06
I. Central Tendency and Dispersion
We will use data on Pennsylvania State math tests for grade 11 averaged by county.
Here are the raw data for 50 randomly selected counties:
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