GMDS 5113 Quantitative Techniques and Decision Making Mid-term Assignment 2026

GMDS5113 Mid-term Assignment

Question 1 Quantitative Analysis, Data and Measurement

A retail company is experiencing inconsistent performance across its branches. Management plans to use quantitative analysis to understand the differences and improve its decision-making. Data collected include monthly sales, customer satisfaction, employee experience, branch location, number of customers, customer complaints, energy consumption and waste generated by each branch.

Management is also concerned that decisions based purely on financial performance may overlook employee well-being, customer interests and the environmental impact of branch operations.

a) Explain how the quantitative analysis approach can be applied to help management evaluate branch performance and support managerial decision-making.

(7 marks)

b) Discuss how computers and quantitative tools can assist management in analysing large amounts of business data and evaluating alternative courses of action.

(6 marks)

c) Classify the following variables according to their appropriate measurement scales and explain your classification:

i. Branch location

ii. Customer satisfaction level

iii. Number of customers iv. Monthly sales revenue

(8 marks)

d) Explain why managers should consider ethical and responsible use of data when using quantitative information to evaluate employees, customers and branch performance.

(4 marks)

(Total Q1 – 25 Marks)

Question 2 Describing and Interpreting Data

A logistics company is evaluating the performance of two delivery teams. Management has obtained the following information:

The company wants to improve delivery performance while also reducing unnecessary fuel consumption as part of its sustainability initiatives.

a) Explain what the mean, median and standard deviation indicate about the performance of the two teams.

(8 marks)

b) Compare the consistency of the delivery performance of Team A and Team B. Support your answer using the information provided.

(5 marks)

c) Explain why management should consider both measures of central location and dispersion rather than relying only on average performance.

(6 marks)

d) Based on the information provided, discuss how quantitative data can support management in making decisions that balance operational performance and environmental sustainability.

(6 marks)

(Total Q2 – 25 Marks)

Question 3 Probability Concepts And Applications

An e-commerce company faces uncertainty relating to customer demand, delivery delays and product returns. Historical records indicate that approximately 20% of deliveries are delayed, while 10% of products are returned by customers.

Frequent delivery delays may increase transportation costs, additional delivery trips, fuel consumption and customer dissatisfaction. Management therefore wants to use probability information to improve planning and reduce operational inefficiencies.

a) Explain the concept of probability and how probability information can assist managers in making decisions involving uncertainty.

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