(a) If all the observations in a data set are identical, then the variance for this data set is
zero.
Solution:
The answer is TRUE.
If there is n y1, y2,yn observation then the variance is yi- mean)2.
If y1, y2,yn are all equal let say y then the mean=i=
MAT540 Homework
Week 2
Page 1 of 4
MAT540
Week 2 Homework
Chapter 12
1.
A local real estate investor in Orlando is considering three alternative investments; a motel, a
restaurant, or a theater. Profits from the motel or restaurant will be affected by the
2011-12-II
MTH516: Nonparametric Inference
Problem Set-3
1. Let X1 , . . . , Xn be a random sample from a population with d.f. FX (x) = F (x/ ),
where F is a continuous d.f. that is symmetric about 0 and standard deviation 1
and > 0. Suppose that we test
Chapter 5
A Survey of Probability Concepts
True/False
1. Based on a classical approach, the probability of an event is defined as the number of favorable
outcomes divided by the total number of possible outcomes.
Answer: True
2. If only one of several eve
The Concept of Motherhood among Three Generations
of African American Women
Brief one to two paragraph overview of the study
Here in this paper the purpose of the study is To provide an understanding of the
experiences of three generations of African Amer
32. Consider the dataset {(xl, Yl), ..., (xm Yn)}, where x1- : (mil, ..., my)? Assume that the multiple
linear regression model
Yi: B1$i1+52$i2+ ---+,8103ip+ei.
71
Suppose the variables are standardized so that 7171 Z (3129- : 1, j : 1, . . . , p. If we
To complete Part A
1. Exploratory Data Analysis.
a. Perform Exploratory Data Analysis on all variables in the data set. Because you are going
to focus on Extroversion and Agreeableness, be sure to include scatterplots for these
combinations of variables (
Six Sigma: Calculate descriptive statistics for the data shown in the attached document. These
are the scores of the first 100 students to take a make believe test. This should be displayed in
excel.
Ans : In the below table , the descriptive statistics a
Ans:
a) The hypothesis is as follows
Null hypothesis H0: There is no preference shown, against the alternative hypothesis H 1:
There is preference among the floor polish.
In statistical language
The null hypothesis is every floor polish come from the same
1.
Consider the following set of observations:
You should not assume these data come from a normal distribution. Test the hypothesis that
these data come from a distribution with a median less than or equal to 10.
xi xi - 10 di Rank R+ R1 10.21 0.21 0.21
.
Dependent
Variable: Q
R-Square
Observatio
n:
20
0.8435
FRation
28.75
PValue
on F
0.001
Variable
Paramete
r
Estimate
Intercept
425120.0
Standar
d Error
220300.
0
P
M
-37260.6
1.49
12587
0.3651
1.93
22.96
4.08
PR
-1456.0
460.75
-3.16
TRatio
a)
We see from
Lab 2
Objectives:
Learn to use Minitab to compute probabilities and percentile of distributions.
Use simulation to understand central limit theorem and sampling distributions
1. Using Minitab, answer the following. Write your answers in your document th
find the optimal solution using the Simplex method for the following equation
Z = 2A + 3B
subject to the following constraints
2.1A + 1B < and = 6
5A + 3B < and = 15
Solution:
The given problem is
Z=2A+3B
Subject to
2.1A+1B<=6
5A+3B<=15
So the given probl
Supply Chain Management
Inventory Management
Indian Institute of Foreign Trade , New Delhi
Overview
Functions of Inventory
Types of Inventory
Managing Inventory
ABC Analysis
Record Accuracy
Cycle Counting
Control of Service Inventories
Overview
Inv
Supply Chain Management
Strategy
Indian Institute of Foreign Trade , New Delhi
Supply Chain Management
Strategy
Supply Chain Excellence
Business Strategy and Supply Chain Strategy
Aligning the Strategies
Challenges
Competitive Advantage and the Three Cs
C
Supply Chain Management
Logistics / Transportation
Indian Institute of Foreign Trade, New Delhi
Overview
The role of transportation in the Supply Chain
Factors affecting transportation decisions
Modes of transportation and their
performance characteris
Supply Chain Management
Introduction
Indian Institute of Foreign Trade, New Delhi
Introduction to
Supply Chain Management
What is a Supply Chain?
Evolution of Supply Chain Management
Decision Phases in a Supply Chain
Important Elements of SCM
Process
Supply Chain Management
Sourcing / Purchasing / Procurement
Indian Institute of Foreign Trade , New Delhi
Overview
The Make or Buy Decision
The Role of Sourcing in a Supply Chain
Role of the Supply Base
Supplier Scoring and Assessment
Supplier Selection a
Supply Chain Management
Coordination
Indian Institute of Foreign Trade , New Delhi
Overview
Lack of Supply Chain Coordination and the
Bullwhip Effect
Effect of Lack of Coordination on Performance
Obstacles to Coordination in the Supply Chain
Manageria
Supply Chain Management
Performance Drivers and Measures
Indian Institute of Foreign Trade , New Delhi
Overview
Drivers of supply chain performance
A framework for structuring drivers
Facilities
Inventory
Transportation
Information
Sourcing
Pricing
Per
Supply Chain Management
Information Technology
Indian Institute of Foreign Trade , New Delhi
Overview
Importance of IT in SCM
Categories
Goals
Framework
E Business
Introduction
Information technology (IT) an important enabler
of effective supply chain ma
Supply Chain Management
Network Design
Indian Institute of Foreign Trade , New Delhi
Overview
Strategic framework for facility location
Multi-echelon networks
Location models
Impact of uncertainity
Performance Measurement
Supply Chain Snapshot
The Role of
A)
B)
C)
D)
E)
F)
Linear in parameters but not linear in variables
Linear in parameters but not linear in variables
Linear in both parameters and variables
Neither linear in variables nor in parameters
Linear in variables but not linear in parameters
Line