Internet and Social Media addiction.
We are students in Kuwait University, doing this research to analyze how the internet and social
media are affecting people's life.
* Required
1. What is your gend
8/2/2017
Internet and Social Media addiction.
Internet and Social Media addiction.
We are students in Kuwait University, doing this research to analyze how the internet and social media
are affecting
8/2/2017
Internet and Social Media addiction.
Internet and Social Media addiction.
We are students in Kuwait University, doing this research to analyze how the internet and social media are affecting
Sampling Distributions
For Counts and Proportions
IPS Chapter 5.1
2009 W. H. Freeman and Company
Objectives (IPS Chapter 5.1)
Sampling distributions for counts and proportions
Binomial distributions
Timestam Email
p
Address
7/17/2017
19:20:10
What is
your
gender?
Female
At what
age did
you first
start
actively
interacting
with
technolog
y (e.g.,
computer
s,
handheld
gaming
devices or
consoles, Wh
Probability: The Study of
Randomness
Randomness and Probability Models
IPS Chapters 4.1 and 4.2
2009 W.H. Freeman and Company
Objectives (IPS Chapters 4.1 and 4.2)
Randomness and Probability models
P
Kuwait University
College of Life Sciences
Environmental Technology Management Department
CLS 109: Statistics
Dr. Nawaf Al-Hajri
Eng. Heba Al-Helailah
Assignment # 2
You are asked to solve the followi
1.81
For the first data set (exercise 1.38)
Mean( X ) = Sum of X values / N(Number of Values)
x=5.4254.
data
4.33
4.38
4.48
4.48
4.5
4.55
4.59
4.59
4.61
4.61
4.75
4.76
4.78
4.82
4.82
4.83
4.86
4.93
4.
1. Myers Quarry produces coarse gravel and sand in an 8:2 ratio. Joint costs for a month (volume 5
9,000 tons of rocks input) amount to $225,000. Values at the split-off point are $30 per ton for grav
Decision Making in the Short Term
1. (Appendix A)
a. Let us begin by calculating relative sales values.
Gravel:
9,000 tons 0.8 $30
Sand:
9,000 tons 0.2 $40
Total
$216,000
$72,000
$288,000
Thus, 75% of
1. The Pleasantville Company makes 20,000 units per year of a part used in production. The unit
product cost is as follows:
Direct materials
$ 6.20
Direct labor
2.30
Variable Manufacturing Overhead
1.
MULTIPLE CHOICE
1. Most short-term decisions deal with temporary gaps between:
A. A flexible supply of capacity and a fixed demand.
B. The inability to change selling price and the ability to estimate
1. Because potential longer-term effects could vary across short-term decision options, they might be
relevant.
LO5 True
2. Quantifying the longer-term implications of short-term actions is relatively
1. Gecko Company is evaluating the use of a supplier versus making the wheels for its skateboards
internally. The currently manufactured wheels have a variable unit cost of $2. Fixed costs are
$16,000
Marketing Plan For Nokia
Corp.
Name
Institution
Executive Summary
Nokia is occupied with the assembling of portable devices
and in merging Internet and interchanges.
It is the world's biggest maker
1. In general, analysis that considers only controllable or relevant costs is less efficient when decision
options differ only with respect to a few benefit and cost items.
LO2 False
In general, analy
1. The Huffman Tire Company has 3,000 tires in its inventory which are considered obsolete. Each unit
originally cost the company $35. Management is considering options to reduce these inventory
level
Matlab Basics Workshop
MATLAB ( Matrix Laboratory)
www.mathworks.com
Matlab Basics
What is MATLAB
MATLAB(Matrix laboratory) is an
interactive software system. It
integrates mathematical computing,
vis
Chapter 19
Numerical
Integration Formulas
YOUVE GOT A PROBLEM
What Is Integration?
y f(x)
Integration
I
M
lim f ( x )x
max x 0 i 1
i
M
i
b
a
f ( x)dx
A f ( xi ) xi I
i 1
Graphical Representation of I
Chapter 12
Iterative Methods for
System of Equations
Iterative Methods for Solving
Matrix Equations
Ax b
x Cx d , C ii 0
Jacobi method
Gauss-Seidel Method*
Successive Over Relaxation (SOR)
MATLABs Me
MATLAB
What is MATLAB ?
MATrix LABoratory
Developed by The Mathworks, Inc (http:/www.mathworks.com(
Interactive, integrated, environment
for numerical computations
for symbolic computations
for
ROUNDOFF and TRUNCATION
ERRORS
Chapter 4
Introduction
Roundoff errors arise because digital
computers cannot represent some
quantities exactly.
They are important to engineering and
scientific probl
Chapter 5
Roots and Optimization
ROOTS: Bracketing Method
1
CHAPTER OBJECTIVES
Understanding what roots problems are and where they
occur in engineering and science.
Knowing how to determine a root
Mathematical Modeling,
Numerical Methods,
and Problem Solving
Chapter 1
Chapter 1: Objectives
Learning how mathematical models can be
used to simulate the behavior of a simple
physical system.
Under
Solving ODEs Using
Matlab
Dr. Raed AL Jowder
Summary
Runge-Kutta Methods
Analytical Solution
> dsolve('Dy=y*t^2-1.2*y','y(0)=1')
ans =
exp(t*(5*t^2 - 18)/15)
Problem
Solve the following initial-va
Chapter 7
Optimization
1
A projectile can be projected upward at a specified velocity.
If it is subject to linear drag, its altitude as a function of time
can be computed as:
z is altitude (m) above
Chapter 6
Open Methods
1
Why Called Open Methods
They require either only one initial starting value or two that though do not necessarily bracket the root
Bisection
Open method
2
Simple Fixed-Point I
Chapter 9
Gauss Elimination
The Graphical Method
Determinants and Cramers Rule
This rule states that each unknown in a
system of linear algebraic equations may
be expressed as a fraction of two
determ
Course Introduction
Textbook and References
Chapra, Steven C. Applied numerical
methods with MATLAB for engineers and
scientists, 3rd ed. 2012 McGraw-Hill
international edition.
Chapra S. and Canale
Intermediate Microeconomics
Math Review
1
Functions and Graphs
Functions are used to describe the relationship between two
variables.
Ex: Suppose y = f(x), where f(x) = 2x + 4
This means
if x is 1,