HOMEWORK 3 SOLUTIONS
1. In the early part of this century, the drug company, Merck, produced a powerful nonsteroidal anti-inflammatory drug (NSAID) known as Vioxx. Vioxx was very effective in
reducing
29.
National mean annual salary= $90,000 and n=25
a. Formulate hypotheses that can be used to determine whether the population mean annual
administrator salary in Ohio differs from the national mean o
4/15/2016 3:39:08 PM
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.3,
Chﬁpi’e/ ’3 / 63332 3
Regression Analysis: Avg. Tot. Score versus %Takers, PPS.
Model Summary ‘ A ~ W‘
‘ ef/j S \ f “‘0 ym {I ' f ?
NAME:_
PUID:_
QUIZ 4 VERSION 2
Scatterplot of Age vs Diameter
20
Age
15
10
5
0.1
0.2
0.3
0.4
0.5
0.6
Diameter
Abalone is a large shellfish considered a delicacy in many types of cuisine, particularly
NAME:_
PUID:_
QUIZ 4 VERSION 1
Scatterplot of Age vs Diameter
20
Age
15
10
5
0.1
0.2
0.3
0.4
0.5
0.6
Diameter
Abalone is a large shellfish considered a delicacy in many types of cuisine, particularly
C N: {2M 2’“ i;
4/4/2016 3:52:13 PM
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Results for: MBA Starting Salaries.MTW
Regression Analysis: Salary and Bonus ($1000) versus Tuition 8: Fees ($1000)
Model
VERSION 2
MGMT 305 Spring 16 Midterm 1
Wednesday, Feb. 17, 2016, 6:30-7:30
EE 129 or PHYS 114
NAME:_
Purdue ID:_
This exam consists of 20 multiple choice questions covering Chapters 1-4. For
each ques
VERSION 1
MGMT 305 Spring 16 Midterm 1
Wednesday, Feb. 17, 2016, 6:30-7:30
EE 129 or PHYS 114
NAME:_
Purdue ID:_
This exam consists of 20 multiple choice questions covering Chapters 1-4. For
each ques
By signing below, I affirm that I have not and will not provide or accept information about the contents
of this Exam to or from another student. I understand that if I engage in any form of academic
NAME:
PUID:
QUIZ 1 VERSION 3
1.
A.
B.
C.
D.
Lasertech buys synthetic diamonds to use in the production of medical and industrial lasers. A
usable synthetic diamond is one that has 8 or fewer flaws. In
NAME:
PUID:
QUIZ 1 VERSION 4
1.
A.
B.
C.
D.
Lasertech buys synthetic diamonds to use in the production of medical and industrial lasers. A
usable synthetic diamond is one that has 8 or fewer flaws. In
NAME:
PUID:
QUIZ 1 VERSION 2
1.
A.
B.
C.
D.
Lasertech buys synthetic diamonds to use in the production of medical and industrial lasers. A
usable synthetic diamond is one that has 8 or fewer flaws. In
NAME:
PUID:
QUIZ 1 VERSION 1
1.
A.
B.
C.
D.
Lasertech buys synthetic diamonds to use in the production of medical and industrial lasers. A
usable synthetic diamond is one that has 8 or fewer flaws. In
HW 2 Supplemental Problems
1.
a.
Histogram of C1
7
6
Frequency
5
4
3
2
1
0
1
000
1
050
100
1
150
1
1
200
1
250
1
300
C1
I was expecting the histogram to have a symmetrical shape with the mean directly
Audrey Pierick
0025475837
Section 0001
Due date: 4/17/15
1.
Correlation: Avg. Total Score, % Takers
Pearson correlation of Avg. Total Score and % Takers = -0.887
The % Takers variable is a better pred
Audrey Pierick
0025475836
Section 0001
3/24/15
HOMEWORK #6
21.
USE PAIRED T TEST
H0: mean of difference 0 (mean after mean before)
Ha: mean of difference > 0
One-Sample T: Difference
Test of = 0 vs >
Audrey Pierick
0025475837
Section 0001
Due 3/12
Chapter 10
9)
Two-Sample T-Test and CI
Sample
1
2
N
20
30
Mean
22.50
20.10
StDev
2.50
4.80
SE Mean
0.56
0.88
Difference = (1) - (2)
Estimate for differe