252 solnkey  4/8/08

 

PROBLEM SOLUTIONS – only active hyperlinks will lead you to current problems. Note that many of the problem numbers in the descriptions are out of date and will be fixed as soon as possible.

 

 SECTION

IDENTIFIER

DESCRIPTION

URLs

A

252solnA1d

Problem A1

http://courses.wcupa.edu/rbove/eco252/252solnA1d.doc

 

252solnA2

Problem A2, A3, conf intervals for means.

http://courses.wcupa.edu/rbove/eco252/252solnA2.doc

252solnA3

Conf. Intervals for proportions and variances.

http://courses.wcupa.edu/rbove/eco252/252solnA3.doc

 

252solnA4

Confidence intervals for median.

http://courses.wcupa.edu/rbove/eco252/252solnA4.doc

 

 

 

 

B

252solnB1

Tests for a mean

http://courses.wcupa.edu/rbove/eco252/252solnB1.doc

252solnB2

p-value.

http://courses.wcupa.edu/rbove/eco252/252solnB2.doc

252solnB3

Type I,II errors, proportions, sign test.

http://courses.wcupa.edu/rbove/eco252/252solnB3.doc

252solnB4

Poisson, Variances

http://courses.wcupa.edu/rbove/eco252/252solnB4.doc

 

 

 

 

C

252solnC

Problems C1, C2.

http://courses.wcupa.edu/rbove/eco252/252solnC.doc

 

 

 

 

 

D

252solnD1

9.2- Problem D4 

http://courses.wcupa.edu/rbove/eco252/252solnD1.doc

 

252solnD2

Problems D1- D5

http://courses.wcupa.edu/rbove/eco252/252solnD2.doc

 

252solnD3

Exercise 9-42 to 9-77, Problem D6a, D6

http://courses.wcupa.edu/rbove/eco252/252solnD3.doc

 

252solnD4

Summary problems D7, D8.

http://courses.wcupa.edu/rbove/eco252/252solnD4.doc

 

 

 

 

E

252solnE1

 

Independence problems.  E1-E3

http://courses.wcupa.edu/rbove/eco252/252solnE1.doc

 

 

252solnE2

E4-E6 and Exercise 17.19

http://courses.wcupa.edu/rbove/eco252/252solnE2.doc

 

 

 

252solnE3

E7-E11

http://courses.wcupa.edu/rbove/eco252/252solnE3.doc

 

 

 

 

 

F

252SolnF1

Exercises 11.1 - 11.8

http://courses.wcupa.edu/rbove/eco252/252solnF1.doc

 

252SolnF2

Exercises 11.15 – 11.34 and Problems F1, F2 and F4.

http://courses.wcupa.edu/rbove/eco252/252solnF2.doc

 

252SolnF3

Problem F3, 11.39 – 11.48 and the four problems in Downing and Clark.

http://courses.wcupa.edu/rbove/eco252/252solnF3.doc

 

 

 

 

 

G

252SolnG1

Regression

http://courses.wcupa.edu/rbove/eco252/252solnG1.doc

 

 

 

 

H

252solnH1

R- squared

http://courses.wcupa.edu/rbove/eco252/252solnH1.doc

 

 

 

 

 

I

252solnI1

 

13.35 to 13.43 significance tests

http://courses.wcupa.edu/rbove/eco252/252solnI1.doc

 

 

252solnI2

13.49 to 13.51 Confidence - Prediction Intervals

http://courses.wcupa.edu/rbove/eco252/252solnI2.doc

 

 

 

 

J

252solnJ1

 

14.1 through 14.23 and Problem J1

http://courses.wcupa.edu/rbove/eco252/252solnJ1.doc

 

252solnJ2

14.28 through 14.29 and Problem J2

http://courses.wcupa.edu/rbove/eco252/252solnJ2.doc

 

 

 

 

K

252solnK1

K1 is 18 pages long – mostly computer printout. I had trouble printing it for a while, so it can also be printed in three segments as 252solnK1a,

252solnK1b and

252solnK1c  .

 

Residual analysis, dummy variables and nonlinear regression.

http://courses.wcupa.edu/rbove/eco252/252solnK1.doc

http://courses.wcupa.edu/rbove/eco252/252solnK1a.doc

http://courses.wcupa.edu/rbove/eco252/252solnK1b.doc

http://courses.wcupa.edu/rbove/eco252/252solnK1c.doc

 

252solnK2.

 

Runs and Durbin-Watson problems.

http://courses.wcupa.edu/rbove/eco252/252solnK2.doc

 

 

 

 

L

252solnL1.

 

 

http://courses.wcupa.edu/rbove/eco252/252solnL1.doc

 

 

 

 

 

 

 

Confidence intervals , One sample hypothesis tests and Power Curves 252soln0

Comparison of two populations 252soln2

Chi-squared problems 252soln7 (Updated 4/28/00

ANOVA, Regression and correlation problems 252soln8