DECS B205
Final Exam S15
Instructions: You have two hours to complete the exam. You can use calculator and Excel. Please,
provide your final answers on the last page. Good luck!
Refer to problem A for questions 1-21.
Problem A. Open file Exam S15 in the f
DECS B205
Final Exam S14
NAME: _
Instructions: You have two hours to complete the exam. Good luck!
Table 1 has two measures of randomly selected thirty students: shoe size and height (inches).
Table 1. Shoe Size and Height of the Sampled College Students
Assignment 2
ANSWERS
Instructions: Probability must have at most two decimal points. The deadline is March 23, 2015.
1.
3.
4.
5.
6.
7.
A six-sided die is tossed 4 times. The probability of observing four ones in a row is:
P(1&1&1&1)=(1/6)^4=1/1296=.0008.
ALP
Confidence Interval Estimation Using Excel
Problem A. Please, develop a 95% confidence interval estimate for the sample mean price of Microsoft stock
(Adj. Close) for the following periods of time:
Time period
Sample Sample
Margin of
Lower
Upper
size
alp
NAME: _
Problem B. B205 firm specializes in voter polls and survey designs to keep political office seekers
informed of their position in a race. Using telephone surveys, B205 interviewers collected a random
sample of 2,500 likely voters. Sample propo
Exam 2
MULTIPLE CHOICE QUESTIONS
In the following multiple-choice questions, circle the correct answer.
1.
Positive values of covariance indicate
a.
a positive variance of the x values
b.
a positive variance of the y values
c.
the standard deviation is po
Monty Hall
1. What is the Monty Hall problem?
The Monty Hall problem is a puzzle based on the show Lets Make a Deal. It is a
probability question that is set with the ability to choose from three doors. Behind
one door is a car, and goats are behind the o
Chapter 15: Chi-Square Tests
Chapter Objectives
When you finish this chapter you should be able to
recognize a contingency table (cross-tabulation of frequencies).
find degrees of freedom and use the chi-square table of critical values.
perform a chi-squa
Chapter 11: Analysis of Variance
Chapter Objectives
When you finish this chapter you should be able to
use basic ANOVA terminology correctly.
use a table or Excel to find critical values for the F distribution.
recognize from the data format which type of
Chapter 10: Two-Sample Hypothesis Tests
Chapter Objectives
When you finish this chapter you should be able to
recognize when a two-sample test for proportions is required.
carry out a two-sample test for proportions and know its assumptions.
check whether
Chapter 9: One-Sample Hypothesis Tests
Chapter Objectives
When you finish this chapter you should be able to
formulate a null and alternative hypothesis for a mean or proportion.
define Type I error, Type II error and power.
list the steps in testing hypo
Chapter 8: Sampling Distributions and Estimation
Chapter Objectives
When you finish this chapter you should be able to
define sampling variation, sampling error, parameter and estimator.
explain why it is desirable that an estimator be unbiased, consisten
Chapter 6: Discrete Distributions
Chapter Objectives
When you finish this chapter you should be able to
define a discrete random variable and a probability distribution.
solve problems by using the concepts of expected value and variance.
explain common d
Chapter 7:
Continuous Distributions
Chapter Objectives
When you finish this chapter you should be able to
distinguish between discrete and continuous random variables.
state the parameters and uses of the uniform, normal and
exponential distributions
sele
Chapter 5: Probability
Chapter Objectives
When you finish this chapter you should be able to
describe the sample space of a random experiment.
distinguish among the three views of probability.
apply the definitions and rules of probability.
calculate odds
Chapter 4: Descriptive Statistics
Chapter Objectives
When you finish this chapter you should be able to
explain the concepts of central tendency, dispersion, and shape.
use Excel to obtain descriptive statistics and visual displays.
calculate and interpre
Chapter 2: Data Collection
Chapter Objectives
When you finish this chapter you should be able to
use basic terminology for describing data and samples.
explain the difference between numerical and attribute data.
recognize levels of measurement in data an
Chapter 3: Describing Data Visually
Chapter Objectives
When you finish this chapter you should be able to
make a dot plot by hand or by computer.
create a frequency distribution for a data set.
make a histogram by hand or by computer.
recognize skewness,
Quantitative Module B
LINEAR PROGRAMMING
Linear Programming
- a mathematical technique designed to
identify the way of allocating the scarce
resources to achieve the best outcome
I.
Properties of LP problems
1.
All problems seek to maximize or minimize so
Chapter 16
JIT and Lean Operations
I.
Eliminate Waste, Remove Variability and Improve throughput
*
Good production systems require that managers address
three issues that are pervasive and fundamental to
operations management: eliminate waste, remove vari
Microsoft Excel 11.0 Answer Report
Worksheet: [LP.probB6.xls]Model
Report Created: 9/21/2011 2:14:21 PM
Target Cell (Min)
Cell
Name
$E$4 Total costs left-side
Original Value Final Value
3
65
Adjustable Cells
Cell
Name
$C$10 Production X1
$D$10 Production
Production and Operations Management
Study Guide for Final Exam
Chapter 11 & Supplement 11 Supply Chain Management (SCM) &
Outsourcing
1.
The objective of supply-chain management
2.
What is Supply Chain Management?
3.
Management of activities that procure
CHAPTER 5 & 17
DESIGN OF GOODS and SERVICES
The objective of the product decision is to
develop and implement a product strategy that
meets the demands of the market place with a
competitive advantage.
Product decision
- the selection, definition, and des
CHAPTER 14
MATERIAL REQUIREMENTS PLANNING
I.
Material Requirements Planning (MRP)
- A technique used to plan for and control dependent
demand items
- A computerized inventory control and production
planning system
1.
The purpose of MRP
- to ensure all the
CHAPTER VI
MANAGING QUALITY
I.
Defining Quality
The totality of features and characteristics of a product
or service that bears on its ability to satisfy stated or
implied needs.
- American Society for Quality
Fitness of use
- Customers perspective
The ab
Production and Operations Management
Study Guide for Exam I
Chapter 1 & 2
1.
2.
3.
4.
5.
6.
7.
8.
9.
Definition of Production
The creation of goods and services
Six major components of a production system
SIPOCM
Major external factors of a production syst
HW Solution Reliability
17.8
Get the reliability of the bottom system , i.e., the reliability of the series system consisting of two parts
with the respective reliabilities of .9 and 0.98
Calculate the reliability of the whole system as a parallel system