OMG321 Quiz 1
Prof. Jian-yu Fisher Ke
1. The center of a normal curve is
a. always equal to zero
b. is the mean of the distribution
c. cannot be negative
d. is the standard deviation
2. In a standard normal distribution, the
a.
Chapter 7
Sampling and
Sampling
Distribution
Slide
1
The Blind Men and the Elephant
There were once four blind men who stood by
the roadside every day, and begged from the
people who passed. They had often heard of
elephants, but they had never seen one,
Chapter 6
Normal
Distribution
Slide
1
Normal Probability Distribution
The normal probability distribution is the most
important distribution for describing a
continuous random variable.
It is widely used in statistical inference.
It has been used in a wid
OMG 321
Business Statistics
#1 why do I need to learn statistics
Dr. Jian-yu Fisher Ke
WHY DO I NEED TO LEARN STATISTICS
I keep saying the sexy job in the next ten years
will be statisticians.
~ Dr. Hal Varian, Googles Chief
Economist
Microsoft listed thr
Chapter 8
Interval Estimation
Slide
1
Chapter 8
Interval Estimation
Population Mean: Known
Population Mean: Unknown
Determining the Sample Size
Population Proportion
Slide
2
Margin of Error and the Interval Estimate
A point estimator cannot be expected to
Chapter 9
Hypothesis
Testing
Slide
1
Should You Hire the Consultant?
You are a marketing manager of local
supermarket. The monthly sales is
$200,000 on average with a standard
deviation of $30,000. You listened to a
consultants suggestion and implemented
OMG321 Quiz 2
Prof. Jian-yu Fisher Ke
1. From a population that is not normally distributed and whose standard deviation is not known, a sample of 25 items is
selected to develop an interval estimate for the mean of the populat
HW3 Descriptive Statistics: Numerical Measures
* The questions are form the Anderson, Sweeney and Williams, Statistics for Business and
Economics, 12th edition, 2013. This document s prepared for the OMG 221 students only
and should not be distributed or
HW1 Descriptive Statistics
* The questions are form the Anderson, Sweeney and Williams, Statistics for Business and
Economics, 12th edition, 2013. This document s prepared for the OMG 221 students only
and should not be distributed or posted on publicl
OMG321 Quiz 2 Prof. Jian-yu Fisher Ke 1 1. From a population that is not normally distributed and whose
standard deviation is not known, a sample of 25 items is selected to develop an interval estimate for the
mean of the population. a. The normal distrib
OMG321 Quiz 1 Prof. Jian-yu Fisher Ke 1 1. The center of a normal curve is a. always equal to zero b. is
the mean of the distribution c. cannot be negative d. is the standard deviation 2. In a standard normal
distribution, the a. mean and the standard dev
Xgeva Forecasting
By the time of its introduction, and for the next five years to come, Xgeva was the only drug able to
prevent metastatic cancer, even though there are drugs like Zometa that treat the disease, Xgeva is the
only thats been proven to actua
Osteoporosis is a serious bone disorder that is very common among people that are older
than 50. According to the National Osteoporosis Foundation, Osteoporosis is a disorder in which
the bones become weak, brittle, and can easily break. Approximately 10
This course has taught me many wonderful things that I will be using towards my career. The
things that I have learned are as follows:
Operations management before this class, I have a general idea of what operations
manager do, this class explained in mu
Scientific Glass, Inc. (SG) founded in 1992, is a fast growing, midsize company that
provides specialized glassware for laboratory and research facilities. SG is also an international
company that has market shares in North America, Europe, Asia Pacific,
1. Who are some of the people that have contributed to the philosophies and methods of operations
management? Briefly describe a major contribution of each and how that method or approach is
used.
Some of the people that have significantly contributed to
[Type the document title]
Forecasting Denosumab
Given Amgens new breakthrough drug, Denosumab, it would be wise for any
pharmaceutical company to acquire Amgen. After thorough analysis using trend forecasting, we
recommend for Amgens acquisition.
Amgen is
Bayonne Packaging, Inc. is a packaging company that was founded by Rands
father in 1964. The $43 million company specializes in creating innovative packaging
solutions for its customers and provides full service from design through final delivery.
The com
[Type the document title]
Bayonne Packaging, Inc.
Bayonne Packaging, Inc. is a packaging company that was founded by Rands father in 1964. The
$43 million company specializes in creating innovative packaging solutions for its customers and provides
full s
OMG 321-08 Business Statistics II
Assignment 2 - Individual or 2-Person Group
(Total 10 points)
Formatting & Submission: Type your answers in a Word file, insert charts/tables from Excel if needed,
and submit your homework Word file online (Blackboard) by
3.Showaseparategraphoftheconstraintlinesandthesolutionsthatsatisfyeachofthefollowingconstraints:
(1)3A+2B18
(2)12A+8B480
(3)5A+10B=200
(1) When B = 0, A = 6 and when A = 0, B = 9
So, I plot the points (6, 0) and (0, 9) and join them to get a straight line
Topic: Several factors, both internal and external, impact a companys stock price, and the
subsequent perceived valuation of a company. Sometimes that perceived value matches that of
the financial statements, and other times it is vastly different. Theref
Gabriel Erosa
GMAT Accommodations
4/24/14
Well since I was in a junior college I didnt receive the best grades in math and that is
where my area was weak. That is when I got tested for disabilities and got diagnosed with a
learning disability and mostly d
Gabriel Erosa
Bus 495 homework Module 3
2/17/14
Assignment# 1
Suppose the residents of Vegopia spend all their income on cauliflower, broccoli, and carrots. In
2010, they buy 100 heads of cauliflower for $200, 50 bunches of broccoli for $75, and 500
heads
1. From the e-Activity, discuss how the company you selected might benefit from selling
new customers on e-Bay (as opposed to building and maintaining its own Website).
The company I selected in the Dallas area is SoftLayer Technologies which provides
Pro
Gabriel Erosa
Bus 495 Module 1 Ch. 1-6 Homework
1/27/14
I will briefly introduce myself my name is Gabriel Erosa and I just graduated from
Cal State Dominguez Hills last semester with my bachelors degree in Business
Administration with a concentration in
1. Determine one (1) benefit of a Free Trade Area (FTA) in an emerging economy. Next,
speculate on the primary risk(s) associated with the benefit that you determined, and suggest one
(1) strategy geared toward mitigating the risk(s). Provide a rationale
Gabriel Erosa
Bus 495 Module 4
2/25/14
Assignment# 1
Suppose that the reserve requirement for checking deposits is 10 percent and that banks do not
hold any excess reserves.
a. If the Fed sells $1 million of government bonds, what is the effect on the eco
Gabriel Erosa
Module 2 Homework Bus 495 Economics/Marketing
2/11/14
Assignment# 1
Many observers believe that the levels of pollution in our economy
are too high.
a) if society wishes to reduce overall pollution by a certain amount,
why is it efficient to