Genre
Action
MPAA
Not Rated
PG13
R
Adventure
G
PG
PG13
Black Comedy
R
Comedy
G
Not Rated
PG
PG13
R
Concert/Performance
PG13
Documentary
G
Not Rated
PG
PG13
R
Drama
Not Rated
PG
PG13
R
Horror
PG13
R
Multiple Genres
Not Rated
PG
Musical
PG
Romantic C
QBA121 Fall 2013 Midterm Solution
QBA 121: Managerial Statistics II
Midterm Exam Fall 2013 Solution
PLEASE READ INSTRUCTIONS FIRST
Instructions: Check to see that you have 4 problems. You have 1 class session (80 minutes) to
complete the following exam.
S
QBA121 Spring 2015 Midterm Solutions
QBA 121: Managerial Statistics II
Midterm Exam Spring 2015
Solutions
PLEASE READ INSTRUCTIONS FIRST
Instructions: Check to see that you have 5 questions. You have 1 class session (80 minutes) to
complete the following
QBA 121 Managerial Statistics II Fall 2015 HW #2 Solution
QBA 121 Managerial Statistics II
Homework #2: Solution
A few Notes:
A. You will submit this assignment on Blackboard. Make sure to submit answers to all
questions on Blackboard.
B. Important: Follo
QBA 121 Managerial Statistics II Fall 2015 Homework #10
QBA 121 Managerial Statistics II
Homework #10
A few Notes:
A. IMPORTANT ISSUES
a. Youll need to transfer data into SPSS and analyze the models in SPSS. The tab SPSS is
formatted to be read into SPSS.
QBA 121 Managerial Statistics II Fall 2015 Homework #8 Solution
QBA 121 Managerial Statistics II
Solution to Homework #8
Question: Movie Popularity (100 points)
Data for many movies produced in 2014 is in the tab Movies2014.We will use this data to
unders
QBA 121 Managerial Statistics II Fall 2015 Homework #5 Solution
QBA 121 Managerial Statistics II
Homework #5  Solution
A.
B.
C.
D.
A few Notes:
Ive included a few practice problems at the end of this assignment or on Blackboard. I expect
you to complete
Instructions
a. You have 1 hour and 20 minutes to complete this exam.
b. You can use your notes, tables, and calculator while taking this test.
c. Show all of your work clearly (without skipping steps) to obtain maximum credit. If
appropriate, draw figure
Name: QBA 120 Quiz 1
Table: Twenty WellPaid CEOs
Column 2 Column 3 Column 4 Column 5 Column 6
Column1
Salary
m
w
um 57
47
MBA
Bachelors
HE
W

mm m
"um
um
nil
Marijn E Dekkers Thenno Fisher
Michael D Watford
1.
Researchers at Dow Chemical Co. investigated the effect of tablet surfacearea to
volume ratio on the rate at which a drug is released in a controlledrelease dosage.
Six similarly shaped tablets were prepared with different weights and thicknesses,
an
1. Private colleges and universities rely on money contributed by individuals and
corporations for their operating expenses. Much of this money is put into a
fund called an endowment, and the school spends only the interest earned by
the fund. A recent su
First Name: Last Name:
1. State True or False: lndicate your answer by circling only one choice.
A value of zero for the coefcient of correlation (r) implies that x and y are
unrelated. (2 Points)
r
A.) True < B.) False )
2. A sales manager was interested
First Name: Last Name:
1. A value of zero for the coefcient of correlation (r) implies that x and y are linearly
unrelat d. (2 Points) \aho 51'
l'l'H of no linear Ya 5 P
:5.) lrue) B.) False I e I'S Potrws
2. The managers of a brokerage rm are interested
First Name: Last Name:
1. A 95% condence interval for the average salary of all CEOs in the electronics
industry was constructed using the results of a random survey of 45 CEOs. The
interval was ($97911, $110014). Which of the following will result in a r
QBA 121 Managerial Statistics II Fall 2015 HW #12 Solutions
QBA 121 Managerial Statistics II
Solution to Homework #12
When not specified, use = 0.05.
Question 1. 40 Points
Consider the data in the table below:
Use the correct model(s) to answer the follow
QBA 121 Managerial Statistics II Fall 2015 Homework #7 Solution
QBA 121 Managerial Statistics II
Solution to Homework #7
1. [90 points] You have been asked to help a company defend itself in court. Females in the
company believe that they are being underp
QBA121 Fall 2015 Midterm Abridged Solution
QBA 121: Managerial Statistics II
Midterm Exam Fall 2015
Abridged Solution
Question: Simple Linear Regression (20 points)
a) [10 points] Perform the relevant simple linear regression, using the data provided abov
QBA 121 Managerial Statistics II Fall 2015 Homework #3 Solution
QBA 121 Managerial Statistics II
Homework #3 Solution
A few Notes:
A. You will submit this assignment on Blackboard. Make sure to submit answers to all
questions on Blackboard.
B. Ive include
QBA121 Fall 2014 Midterm Solution
QBA 121: Managerial Statistics II
Midterm Exam Fall 2014
Solution
PLEASE READ INSTRUCTIONS FIRST
Instructions: Check to see that you have 4 questions. You have 1 class session (80 minutes) to
complete the following exam.
QBA 121 Managerial Statistics II Fall 2015  Solutions
QBA 121 Managerial Statistics II
Solution to Homework #9
When not specified, use = 0.05.
Question 1. Top Philanthropists (100 points)
It is commonly believed that wealthier individuals are more likely
QBA 121 Managerial Statistics II Fall 2015
QBA 121 Managerial Statistics II
Homework #4
A few Notes:
A. Ive included a few practice problems at the end of this assignment. I expect you to
complete these before working on the assignments you turn in. These
QBA121 Spring 2014 Midterm Solution
QBA 121: Managerial Statistics II
Midterm Exam Spring 2014
Solution
PLEASE READ INSTRUCTIONS FIRST
Instructions: Check to see that you have 4 questions. You have 1 class session (80 minutes) to
complete the following ex
QBA 121 Managerial Statistics II Fall 2015 Homework #11 Solution
QBA 121 Managerial Statistics II
Homework #11  Solution
When not specified, use = 0.05.
Leases of Government Buildings
The US Federal Government owns a large number of office buildings, whi
QBA 121: Managerial Statistics II
Midterm Exam
PLEASE READ INSTRUCTIONS FIRST
Instructions:Checktoseethatyouhave3problems.Youhave1classsession(80minutes)to
completethefollowingexam.Youmaynotdiscussthisexamwithanyone(excepttheproctor).
By printing or signi
QBA 121 Managerial Statistics II Fall 2015 Homework #6 Solution
QBA 121 Managerial Statistics II
Solution to Homework #6
1. Marion County Hospital has a single operating room (OR) and they now have to identify key
cost drivers of the OR. Management believ
QBA 121 Managerial Statistics II Fall 2015
QBA 121 Managerial Statistics II
Solution to Homework #4
(1.) 25 Points There is growing fascination with baseball statistics. A whole new field has
emerged, developing novel statistical methods to predict outcom
1. Steps in Hypothesis Testing (2 Points)
a. Alternate Hypothesis 1
b. Decision 1,
0. Test Statistics 1.
d. Significance Level 3
e. Conclusion '1
f.
g.
Null Hypothesis \
x \ e s
Rejection Region/Critical Region H163 6" 0 Rd
Select the choice that arrange
1. State True or False: Indicate your answer by circling only one choice.
A value of zero for the coefcient of correlation (r) implies that x and y are
unrelated. (2 Points)
A.) True B.) False
2. To investigate the relationship between yield of potatoes,
First Name: Last Name:
1. State True or False: Indicate your answer by circling only one choice.
A value of zero for the coefficient of correlation (r) implies that x and y are linearly
Wd. (2 Points)
B.) False
2. A sales manager was interested in determi
1. A realtor wants to compare the mean salestoappraisal ratios of residential
properties sold in four neighborhoods (A, B, C, and D). Four properties are
randomly selected from each neighborhood and the raEWrded for each, as
shown below. 214
A: 1.2,1.1,
1. State True or False:
Other things being equal, the condence interval for the mean will be wider for
95% condence than for 90% condence. (1 Point)
M
Hue.
2. The head librarian at the Library of Congress has asked her assistant for an
interval estimate o