If the instrument which is used to measure and the method of measurement are not proficient of
making precise and repeatable readings or measurements, then the data can have substantial dimension
error. In such cases, the inferences drawn from this data a
Revenue
Revenue - Intercompany
Waste Levy Paid
OPERATING REVENUE
Labor and Subcontractors
Disposal
Other Operating Costs
Selling, General & Admin Exp
Other Income & Expense
Management Fees
Non recurring items
EBITDA
Depreciation
Intangibles Amortisation
E
(a) Is this an optimal solution? How do you know?
Yes , this a optimal solution
I came to know as I have calcuated it as below using solver
Factories
W
X
Y
Z
Req
A
17
13
6
15
40
B
9
6
17
20
20
C
14
11
9
11
50
D
10
11
12
14
30
E
14
12
12
6
40
Dmy
0
0
0
0
2
EOQ and ROP
INPUT:
Annual Demand: D/year
Cost per Unit
Inventory charge (% of unit cost)
Holding cost: H (if not given,H = i*C)
Ordering Cost
Length of year: N(months,weeks,days)
demand per (month,week,day)
D
C
i
H
S
N
d
d
Std. Deviation/(month,week,day)
Lean is all about maximizing the customer value by eliminating the waste in an organization.
There are 7 wastes normally remembered with TIMWOOD :
1.
2.
3.
4.
5.
6.
7.
Transport
Inventory
Motion
Waiting
Over production
Over processing
Defects
It is seen t
Full time employees
Per Person per month productivity
Cost of producing one car
Inventory carrying cost
Stock out cost
Inventory at the end of Dec
20
9
500
50 euro per months
590 euro per months
10 cars
Assumptions :
Assume Average Demand/month
Planning f
Minimum Demand
Maximum Demand
Average Demand
=
=
=
60 units per hours
120 units per hours
90 units per hours
Question a)
Since the first stage can produce at maximum of 105 units, if demand remains 120 for continue three hours the
If we start with 75 unit
Introduction to Forecasting / Some Basic Tools
INSTRUCTIONS: Use MINITAB 17 to complete the following questions. You are to work
independently on this assignment. All data sets for this assignment have been provided.
Please submit your completed assignmen
1. Which of the following would come last in estimating projects?
a. develop schedules and budgets
b. develop the WB/OBS
c. make bottom-up estimates
d. make rough top-down estimates
2. There are many ways to report the ongoing completion status of a proje
From
To
New York
#
#
#
Atlanta
Tulsa
New Orlean
Forecast demand
From
Los Angeles
800
To
#
#
#
1,200
Los Angeles
600
900
500
2,000
New York
#
#
#
Atlanta
Tulsa
New Orlean
Total
Forecast demand
Normal Production
800
800
#
#
#
1200
1,200
$
20,000.00
600
900
Our objective to show 2.2
Need to reject : 2.2 (remember: Cannot 'prove' a hypothesis, only 'disprove' i.e. reject)
H0: 2.2
H1: < 2.2
Do the 1 tailed test
=> 1-tailed test!
Significance level 1%
=> 1% in 1 tail => -0.1645
Sample size = 100 peoples
t Stati
Round Tree Manor is a hotel that provides two types of rooms with three rental classes: Super Saver, Deluxe, and Business.
room and rental class is as follows: Rental Class Super Saver Deluxe Business Room Type I $25 $30 - Type II $20 $30 $40 Typ
access a
The production manager of a frozen food company that produces frozen food packages had received many com
A?1Chicken & GravyA?1dinners. The manager asked her assistant (Rob) who has Quality Technology back
RobA?1s first task was to determine what problems
Problem 1. (Chapter 4: Logistics/Supply Chain Customer Service) An online retailer has targeted an
average order cycle time to be 5 days. Customers have come to expect this level of product delivery
speed, so much so, that when the order cycle time increa
1. Madeline Thimmess Dream Store sells water beds and assorted supplies. Her best-selling bed has an annual dem
Ordering cost is $40; holding cost is $5 per unit per year. Assume 300 work days per year and a lead time of 30 days.
a. To minimize the total
The PERT formula to find the estimated time to complete each activity = ( a + 4m + b )/6
1
Expected time to complete the activity A
=
2
= 30/6 = 5 Weeks
( 8 + 4 (9 ) + 10)/6
= 54/6 = 9 Weeks
( 2 + 4 (5 ) + 8)/6
= 30/6 = 5 Weeks
Expected time to complete t
A
1
Problem Title
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Queuing Model
B
C
20
21
22
23
24
25
26
27
28
29
30
31
E
M/M/s (Exponential Service Times)
1.
1. Both
Both and
and must
must be
be rates
rates rather
rather than
than times,
times, and
and must
must
Problem 1
An average of 6 persons per hour arrive at a public phone box (Poisson distributed). A telephonecall
takes on average 3 minutes (exponentially distributed). Using appropriate queuing models, answer the
following questions:
a What is the probabil
5. Roedel Electronics produces a variety of electrical components, including a remote con- troller for televisions
Roedels sales forecast indicates that 7000 TV controllers and 5000 VCR controllers will be needed to satisfy dem
manufacturing cost per suba
Instead of calculating control limits after correcting problems, which is the current practice, he wants to recalc
new limits will include more recent information which will make them better.
As a rule of thumb, you can start calculating control limits af
Shelf Life of a Blood = 5 weeks ( 1 - 6 degree Centigarde Referigration )
Service Level at 90%
In inventory management, service level is the expected probability of not hitting a stock-out during the next rep
losing sales. The service level is determined
1. Madeline Thimmess Dream Store sells water beds and assorted supplies. Her best-selling bed has an annual dem
Ordering cost is $40; holding cost is $5 per unit per year. Assume 300 work days per year and a lead time of 30 days.
a. To minimize the total
The objective is :
How much acreage should be plantd for each crop?
How many new cows and hens should the family purchase?
Define: Corn = X1, Soybeans B = X2, Wheat = X3
Let X1 = Acres of Soybeans acres to plant
Let X2 = Acres of Corn acres to plant
Let X