Operations Management Worksheet Questions

In their chief role of ________, operations managers exert considerable influence over the degree to which the goals and objectives of the organization are realized.

• promoter/salesman

• designer/builder

• planner/decision maker

• recruiter/trainer

• troubleshooter/problem-solver

One way to increase reliability is to:

• eliminate backup components.

• improve preventive maintenance procedures.

• increase mean repair time.

• increase the number of independent components.

• use a global supply chain.

The owner of Darkest Tans Unlimited in a local mall is forecasting this month's (October's) demand for the one new tanning booth based on the following historical data: April 100, May 140, June 110, July 150, August 120, September 160. What is this month's forecast using a four-month weighted moving average with weights of .4, .3, .2, and .1?

• 120

• 129

• 141

• 135

• 140

Gradual, long-term movement in time series data is called:

• seasonal variation

• cycles

• irregular variation

• trend

• random variation

Suppose a country's productivity last year was 84. If this country's productivity growth rate of 5 percent is to be maintained, this means that this year's productivity will have to be:

• 88.2

• 79.8

• 82.8

• 78.9

• 4.2

• 5,000

• 3,000

• 2,000

• 1,000

• 0

Managing the supply chain has become more important as a result of firms increasing their levels of:

• overtime

• outsourcing

• marketing

• promotions

• shipping

In order to increase the responsiveness of a forecast made using the moving average technique, the number of data points in the average should be:

• decreased

• increased

• multiplied by a larger alpha

• multiplied by a smaller alpha

• eliminated if the MAD is greater than the MSE

Which of the following smoothing constants would make an exponential smoothing forecast equivalent to a naive forecast?

• 0

• 0.01

• 1

• 5

• 1.0

The primary method for associative forecasting is:

• sensitivity analysis

• regression analysis

• simple moving averages

• centered moving averages

• exponential smoothing