Data, Models and Decisions (IMBA FDMS)
Solution to homework assignment 1
2.3
(a) Define the event A = cfw_this student has at least 4 years of work experience,
Ai =cfw_this student has i years of work experience, i = 2, 3, 4 and 5.
P( A) P( A4 or A5 ) P(
Data, Models and Decisions (IMBA FDMS)
Solution to homework assignment 2
E1.
(a) Based on the joint probability distribution of (X, Y), we obtain that
P( X 1) P( X 1, Y 1) P( X 1, Y 2) P( X 1, Y 3) 0.4 0.1 0 0.5
P( X 2) P( X 2, Y 1) P( X 2, Y 2) P( X 2, Y
Data, Models and Decisions (IMBA FDMS)
Solution to homework assignment 3
3.7
(a) Let X 1 , X 2 and X 3 denote the weight of the three tomatoes in package,
respectively. Then each X i ~ N (4.2,1.0) and are independent of each other. The
total weight Z X 1
Data, Models and Decisions (IMBA FDMS)
Solution to homework assignment 7
6.1
(a) We first introduce some notation. Let Y be the price ($1,000), x1 be the area
(square feet), x 2 be the neighborhood rating and x3 be the general condition.
The following mul
Data, Models and Decisions (IMBA FDMS)
Solution to homework assignment 8
7.1
(a) The graph of the linear optimization model is given as follows.
The optimal solution is given by M = 6 and C = 3, which is identical to the answer
given by the solver in Exce
Data, Models and Decisions (IMBA FDMS)
Solution to homework assignment 4
4.1
(a) Since the sample size n = 100 is quite large, X s distribution can be approximated
by a normal distribution. The mean equals to 37,907 and the standard deviation
equals to 15
Data, Models and Decisions (IMBA FDMS)
Solution to homework assignment 6
POSIDON, INC. Case Module
(a) The histogram (for frequency ) of the family income sample data is given by
We can find that the shape is roughly bell-shaped.
(b) The sample mean of th
Data, Models and Decisions (IMBA FDMS)
Solution to homework assignment 5
4.18
(c) Now x 15.5 , s = 6.7 (we use the sample standard deviation from (b) as a
surrogate) and l = 1. = 99% results in c = 2.576. Thus,
c 2 s 2 2.576 6.7
n 2
297.88.
1
l
2
Thus,
Data, Models and Decisions, Solution to Demo Test (2014 IMBA FDMS)
Problem 1 (20 points) Optimal Marketing Strategy
(a) The decisions the manager of Oxenol company faces include (1) introducing or
deciding to scrap its new product shortly and (2) announce
Chapter 25
Discriminant Analysis
Content list
Purposes of discriminant analysis
Discriminant analysis linear equation
Assumptions of discriminant analysis
SPSS activity discriminant analysis
Stepwise discriminant analysis
589
590
590
593
604
When you have
Chapter 22
Meta-Analysis
Fetts Law: Never replicate a successful experiment
Content list
What is meta-analysis?
Examples of meta-analytic studies
Conducting a meta-analysis
Replication and meta-analysis
Comparing studies by effect size
Combining studies b