Brian Banks
Math 533, Course Project
Part A
Introduction
AJ Davis Department store would like to research and analyze more information about their credit
customers. AJ Davis management team will condu
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Case: Statistics in Action: Legal AdvertisingDoes It Pay? (graded)
Read the Case: Statistics In Action: Legal
MATH/GM 533 Final Exam
1. (TCO D) PuttingPeople2Work has a growing business placing out-of-work MBAs. They
claim they can place a client in a job in their field in less than 36 weeks. You are given th
Hypothesis Testing (Mean and Proportion)
MATH533
Week 5
Overview of Hypothesis Testing
Hypothesis test is a process that uses sample statistics (e.g. sample mean, sample
proportion, etc.) to test a cl
Normal Distributions and Sampling Distributions
MATH533
Week 3
Start with the end in mind the following are the types of problems you will be
learning how to approach and solve:
Example 10: Weekly dem
Confidence Intervals and Minimum Sample Size
MATH533
Week 4
Start with the end in mind the following are the types of problems you will be
learning how to approach and solve:
Example 4: Based on a ran
Probability Concepts and Distributions
MATH533
Week 2
Start with the end in mind the following are the types of problems you will be
learning how to approach and solve:
Probability Relationships & Rul
Normal Distribution
Mean
StDev
Probability Calculations
P(X < x)
x
x
P(X > x)
x1
P(x1 < X < x2)
x
x
P( > x)
x1
P(x1 < X < x2)
Inverse Calculations
P( < x)
StDev
n
x
x
#DIV/0!
z-score
x
Mean
StDev
n
z
Hypothesis Test
Hypothesis Test for
Hypothesis Test for p
Level of Significance
Mean under H0
n
Sample Mean
StDev
SE
t Test Statistic
One-Sided p-value
Two-Sided p-value
(decimal)
#DIV/0!
#DIV/0!
#DI
Confidence Interval
Confidence Interval for
Confidence Interval for p
Confidence Level
n
Mean
StDev
SE
t
Margin of Error
Lower Limit
Upper Limit
Confidence Level
n
Number of Successes
OR
Sample Propo
Math 533 Applied Managerial Statistics
November 2014 Prof. Lennon Safe
Project Part A Explanatory data analysis
A) Brief Introduction
The set contains information of 50 customers who were selected for
Answer
The length of time to do a cable installation by
Multi-Cable Inc. is normally distributed with a mean of
42.8 minutes and a standard deviation of 6.2 minutes. What
percentage of installations t
Question 1
(A) If a visitor is chosen at random, what is the probability that he or she is either from the South
or from the West?
total people = 2459
south + west = 1368 + 405 = 1773
probability - di
NAME
Date Final Draft Submitted
Executive Summary
[3-5 sentences highlighting the key findings from your analysis. Avoid statistical
jargon & terminology.]
Introduction
[4-6 sentences introducing the
Week 5 EVA In-Class Non-Graded Exercise Solution
A portion of the Ajax project has five tasks we are tracking with EVA. Here is the status for this
work period for those 5 tasks:
TASK 1.5
Task- 1.5.1
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Case: Let's Make a Deal (graded)
A number of years ago, there was a popular television game show called Let's
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Week 3: The Normal Distribution, Sampling Distributions - Discussion
Ethics in Statistics: Readings and Discu
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Case: Statistics in Action: Bid-Rigging in the Highway Construction Industry (graded)
Read the Case: Statisti
Course Project Part A
Analysis of AJ Davis Department Stores
Brent Heard
Math 533
Please Note That I Changed the Data
The main thing I want you to get from this is the learning experience and understa
Normal Distribution
Mean
55
StDev
17.0000
Probability Calculations (starts
with an x-value and you are
computing a probability) X to P
P(X < x)
x
x
P(X > x)
x1
P(x1 < X < x2)
x
46.0852
P( > x)
70%
x1
Confidence Interval
Confidence Interval for
Confidence Interval for p
Confidence Level
n
Mean
StDev
These values reflect your
confidence interval
SE
t
Margin of Error
Lower Limit (x-bar - E)
Upper Li
Hypothesis Test
Hypothesis Test for
Level of Significance
Mean under H0
n
Sample Mean
StDev
Hypothesis Test for p
0.01
5.61
11
1.5
13.1
(decimal)
SE 3.9498
t Test Statistic -1.041
One-Sided p-value 0
MATH533 Final Exam Study Guide
The Final Exam covers all the material covered in the course. It is based on the topics discussed in the
homework and quizzes from each of the 7 weeks of the course. In