Data Analysis

Criteria

% Value

1: Unsatisfactory

2: Less Than Satisfactory

3: Good

4: Excellent

% Scaling

0%

74%

87%

100%

Customer Arrival Rate

5%

The customer arrival rate is not included.

N/A

N/A

The customer arrival rate is included.

Customer Service Rate

5%

The customer service rate is not included.

N/A

N/A

The customer service rate is included.

Explanation of How Model Determines Total Customer Waiting Time

15%

An explanation of how the waiting line model can determine the total customer waiting time is not included.

An explanation of how the waiting line model can determine the total customer waiting time is vague or incomplete.

An explanation of how the waiting line model can determine the total customer waiting time considers both the predicted travel and waiting times.

An explanation of how the waiting line model can determine the total customer waiting time considers both the predicted travel and waiting times, and specifically addresses how the travel time of the technician affects the model.

Determination of Average Customer Waiting Times, Customers in the System, and Cost of Service Using Waiting Line Model

(2.3 Analyze data using appropriate statistical modeling.)

20%

A determination of the average customer waiting times, customers in the system, and cost of service using a waiting line model is not included.

A determination of the average customer waiting times, customers in the system, and cost of service using a waiting line model is incomplete.

N/A

A determination of the average customer waiting times, customers in the system, and cost of service using a waiting line model is included.

Analysis of Three-Hour Service Call Guarantee

15%

An analysis of the OEI three-hour service call guarantee is not included.

An analysis of the OEI three-hour service call guarantee is vague or incomplete.

An analysis of the OEI three-hour service call guarantee is included.

A thorough analysis of the OEI three-hour service call guarantee defends whether or not one technician is sufficient to meet the need for repairs.

Technician Recommendations for Expanding Customer Base

15%

Technician recommendations for an expanding base of both 20 and 30 customers is not included.

Technician recommendations for an expanding base of both 20 and 30 customers is vague or incomplete.

Technician recommendations for an expanding base of both 20 and 30 customers are included.

Technician recommendations for an expanding base of both 20 and 30 customers are thoroughly justified using information gathered from the waiting line model.

Comparison of Annual Savings from Proposed Plans

15%

A comparison of annual savings between the recommended plan and that of the planning committee is not included.

A comparison of annual savings between the recommended plan and that of the planning committee is vague or incomplete.

A comparison of annual savings between the recommended plan and that of the planning committee is included.

A comparison of annual savings between the recommended plan and that of the planning committee is included, along with an explanation of how this determination was reached using information from the waiting line model.

Mechanics of Writing (includes spelling, punctuation, grammar, language use)

10%

Surface errors are pervasive enough that they impede communication of meaning. Inappropriate word choice or sentence construction is used.

Frequent and repetitive mechanical errors distract the reader. Inconsistencies in language choice (register) or word choice are present. Sentence structure is correct but not varied.

Some mechanical errors or typos are present, but they are not overly distracting to the reader. Correct and varied sentence structure and audience-appropriate language are employed.

Writer is clearly in command of standard, written, academic English.