Labor productivity is an example of a multi-factor productivity measurement. Sel

Question

Labor productivity is an example of a multi-factor productivity measurement.

Select one:

True

False

A campaign manager for a political candidate must arrange the shipment of 150 cartons of campaign buttons from three button producers to three campaign headquarters. The supplies and demands, and the per-carton transportation costs, are shown below:


Let Xij represent the number of units shipped from source i to destination j.





Which of the following is a possible constraint for one of the suppliers (i.e., button producers)?

Select one:

a. 2X11 + 5X12 + 6X13 = 50

b. 9X11 + 3X12 + 7X13 = 50

c. X11 + X21 + X31 = 50

d. X11 + X12 + X13 = 50

e. None of the above

Planners for a company that makes several models of skis are about to prepare an aggregate plan that will cover 6 periods. They have assembled the following information:



Capacity
Regular: 300 units per period

Costs
Regular output: $2 per unit
Overtime output: $3 per unit
Subcontract: $6 per unit
Inventory carrying/holding : $1 per unit per period
Back order: $5 per unit per period

Beginning Inventory: 0

Use a level capacity production plan to answer the next question. Assume that overtime and subcontracting is not allowed. Backordering may be used when necessary.

You may use the spreadsheet below to aid you in your computations.



The total cost of this plan is

Select one:

a. $4900

b. $4650

c. $4700

d. $4600

e. $4500

Consider the following historic time series data:



Assume we decided to fit a linear Trend line to this time series. The following regression output displays these results:



The slope of the Trend line is:

Select one:

a. 1

b. 4

c. 5

d. 80

e. 2

Drexel Valves produces cast bronze valves on an assembly line. It currently produces 800 valves each 8-hour shift. If the production is increased to 1,200 valves each shift, the productivity increases by:

Select one:

a. 50%

b. 33%

c. 25%

d. 67%

e. none of the above

Planners for a company that makes several models of skis are about to prepare an aggregate plan that will cover 6 periods. They have assembled the following information:



Capacity
Regular: 300 units per period

Costs
Regular output: $2 per unit
Overtime output: $3 per unit
Subcontract: $6 per unit
Inventory carrying/holding : $1 per unit per period
Back order: $5 per unit per period

Beginning Inventory: 0

Use a matching demand plan supplemented with overtime as needed to answer the next question. You may use the spreadsheet below to aid you in your computations.



The total cost of this plan is

Select one:

a. $3800

b. $3900

c. $3700

d. $3500

e. $3600

A moving average forecast will always react quicker to recent changes in the data by
decreasing the averaging period (i.e., less data is included in the average).

Select one:

True

False

Question 8

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Question text

Assume that a product goes through three sequential processes A, B, and C. Moreover, assume that each process takes 2 minutes per unit. Currently, there is an order for 6 units of this product to be produced. If the manufacturer employs a one-piece flow system, what is the earliest time for completing the first unit of this product?

Select one:

a. 12 minutes

b. 18 minutes

c. 13 minutes

d. 36 minutes

e. 6 minutes

Question 9

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Question text

Given forecast errors of 4, 8, and -3, what is the mean squared error (MSE)?

Select one:

a. 29.7

b. 3

c. 5

d. 44.5

The correlation coefficient

Explanation / Answer

for one piece flow system the time is 6 minutes

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