TermProject
A. SelectatopicofinterestpreferablyCollegerelatedsuchtheheight,average
annualincomeorweightofstudents.ThisisthefirststageoftheDCOVA.Thatis
todefineyourvariableofinterest.
B. Choose2variablestoobserve:1)Femaleand2)Male
C. Forcharacteristics,Col
Page 1 of 5
MG 620 Statistics for Managers
Homework Assignment
Week 1 Chapter 1: Defining and Collecting Data
For this week read: Chapter 1; Power Point; Lecture Notes, & Chapter 1
Excel Guide.
Answer the following questions:
Question 1.1
Page 21
Four dif
Ike Evbuomwan
MG 620
July 17, 2016
Week 12 Homework
10.9
(a)
H 0 : 1 2
H1 : 1 2
MeantimestoclearproblemsatOfficeIandOfficeIIarethesame.
MeantimestoclearproblemsatOfficeIandOfficeIIaredifferent.
t Test for Differences in Two Means
Data
Hypothesized Differ
Ike Evbuomwan
MG 620
May 29, 2016
Homework 4
13.4
(a)
350
300
250
200
150
100
50
0
4
6
8
10
12
14
16
18
20
22
The scatter plot shows a positive correlation.
(b) For each increase in shelf space of an additional foot, there is an expected increase in weekl
Ike Evbuomwan
MG 620
June 12, 2016
Homework 6
Q1
A probability distribution of a discrete random variable is any table, graph, or formula that gives each
possible value and the probability of that value.
(c)
P (X)
0.5
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0
Ike Evbuomwan
MG 620
May 15, 2016
Homework 2
2.16
(a)
(b)
Electricity
Costs
$80 to $99
Electricity
$100 to $119
Costs
$80 to $99
$120
$139
$100
$140 to $159
$119
$160 to $179
$120
$180 to $199
$139
$200 to $219
$140 to
$159
$160 to
$179
$180 to
$199
$200
Running head: PRIVACY IN THE WORKPLACE 1
Privacy in the Workplace
Ike Evbuomwan
Monroe College
PRIVACY IN THE WORKPLACE 2
Abstract
This paper will explore the idea of workplace privacy and seek to answer questions such as how
employees can protect their p
1
Fitting a straight line to a set of data yields the following prediction line:
Y = 10 + 4X
i
Interpret the meaning of the Y intercept, b0.
ii) Interpret the meaning of the slope, b1
iii) Predict the mean value of Y for X = 8
2
What is the difference bet
Ike Evbuomwan
MG 620
July 10, 2016
Week 11 Homework
9.16
(a)
H0:
= 1. The mean amount of paint is
gallon.
H1:
1. The mean amount of paint
differs from 1 gallon.
Decisionrule:Reject
H0
if|ZSTAT|>
2.5758
(a)
Teststatistic:
Z STAT
Data
Null Hypothesis
=
Leve
Ike Evbuomwan
MG 620
June 18, 2016
Homework 7
6.6
Common Data
Mean
Standard Deviation
50
4
Probability for X <=
X Value
Z Value
P(X<=42)
42
-2
0.0227501
Probability for X >
X Value
Z Value
P(X>43)
43
-1.75
0.9599
Probability for a Range
From X Value
To X
MG 620 Statistics for Managers
Homework Assignment
Week 2 Chapter 2: Organizing and Visualizing
For this week read Chapter 2:Answer the following questions:
Question 2.31 Page 67:
answer
INSTRUCTIONS: SHOW YOUR STEPS & the
Construct a stem-and-leaf displa
MG 620 Statistics for Managers
Homework Assignment
Oscarina Cortorreal
Prof. Rawana
March 14, 2016
Week 11 Chapter 9: Fundamentals of Hypothesis Testing: One Sample Tests
For this week read Chapter 9. Answer the following question:
QUESTION 1
Question 9.1
RUNNING HEAD: CAN LOTTERY MAKE EVERYONE A MILLIONAIRE?
Oscarina Cortorreal
Research and Statistics for Manager Decision Making
MG620-144
Prof. Rawana
Monroe College
February 26, 2016
1
CAN LOTTERY MAKE EVERYONE A MILLIONAIRE?
Can the lottery make everyone
MG 620 Statistics for Managers
Homework Assignment
Model Answers: Chapter 7: Sampling and Sampling
Distributions
For this week read Chapter 7: Answer the following question:
Question 7.4 page 258
The following data represent the number of days absent per
Page 1 of 10
MG 620 Statistics for Managers
Homework Assignment
Week 6 Chapter 6: The Normal Distribution
For this week read Chapter 6
Answer the following question:
Question 6.6, page 231
Given a normal distribution with =50 and =4, what is the probabili
MG 620 Statistics for Managers
Homework Assignment
Chapter 4: Basic Probability
For this week read Chapter 4
Answer the following question:
Question 4.8 , page 163
Does it take more time to be removed from an email list than it used to
take? A study of 10
MODEL ANSWERS
In a study on speed control, it was found that the main reasons for regulations were to make traffic flow
efficient and to minimize the risk of danger. An area that was focused on in the study was the distance
required to completely stop a v
MG 620 Homework Assignments
Question 3.13 page 121
The data set below contains the number of partners in a cohort of rising accounting firms with
fewer than 225 employees that have been tagged as firms to watch. The firms have the
following numbers of par
Page 1 of 4
MG 620 Statistics for Managers
Homework Assignment
Week 2 Chapter 2: Organizing and Visualizing
For this week read Chapter 2:Answer the following questions:
Question 2.31 Page 67:
answer
INSTRUCTIONS: SHOW YOUR STEPS & the
Construct a stem-and
MG 620 Statistics for Managers
Homework Assignment
Oscarina Cortorreal
Prof. Rawana
February 29, 2016
Week 7 Chapter 7: Sampling and Sampling Distributions
For this week read Chapter 7: Answer the following question:
Question 7.4 page 258
The following da
Ike Evbuomwan
MG 620
May 8, 2016
Homework 1
1.1
Four different beverages are sold at a fast-food restaurant: soft drinks, tea, coffee, and
bottled water.
a. Explain why the type of beverage sold is an example of a categorical variable.
- The type of bever
Ike Evbuomwan
MG 620
June 5, 2016
Homework 5
4.8
(a)
Needs three or more clicks to be removed from an email list.
(b)
Needs three or more clicks to be removed from an email list in 2009.
(c)
Does not need three or more clicks to be removed from an email l
MG620StatisticsforManagers
LectureNotes
I.
Overview:SamplingandSamplingDistribution
In many business situations, the population is so large that you cannot gather
informationoneveryitem.Instead,statisticalsamplingproceduresfocusoncollectinga
smallrepresen
MG 620 Week # 2 Lecture Notes
I.
Overview
This chapter discusses how to organize and visualize data. Various tables and charts are used
to draw conclusions about how business expenses (bills) and costs are distributed in
accounting, and businesses transac
251y0311 2/19/03
ECO251 QBA1
FIRST HOUR EXAM
February 21, 2003
Name: _Key_
Social Security Number: _
Part I. (34 points)
1.
Which of the following is NOT a reason for the need for sampling?
a) It is usually too costly to study the whole population.
b) It
What is statistics?
1.
2.
Process of transforming data into useful
information for the purpose of making
informed decision
The data is extracted as a sample from
the population for purpose of knowing
more about the rest of the population
Define the Resear