Question

The Johnson Retail Company operates a chain of clothing stores and wants to assess

customer satisfaction with their shopping experience. They have a customer satisfaction survey that provides a satisfaction rating on a scale of 1 to 10, with 10 being highly satisfied. The company randomly selects a sample of 100 customers from their customer database to complete the survey. The satisfaction ratings for the 100 customers are collected and averaged to calculate the mean satisfaction score.
(2 marks)
i) What is the population of this study?
_______________________________________________________________
ii) What is the parameter of this study?
______________________________________________________________

c) The data set below shows the data on the number of employees in each department.
Marketing Sales Finance Operations Sales Finance
Operations Operations Operations Sales Human
Resources
Sales
Human
Resources
Sales Human
Resources
Marketing Sales Human
Resources
Sales Human
Resources
Operations Sales Operations Operations
Operations Finance Sales Finance Sales Marketing
ii) Construct the frequency distribution table fro the above data. (10 marks

Answer 1

i) The population of this study is the entire customer database of the Johnson Retail Company

ii) The parameter of this study is the mean satisfaction score of all customers in the entire population.

c) Frequency Distribution Table:

Department Frequency

Marketing 3

Sales 10

Finance 5

Operations 8

Human Resources 6

i) Population of the Study:

The population of this study is the entire customer database of the Johnson Retail Company, which includes all customers who have shopped at their clothing stores. Every customer in their database is part of the population.

ii) Parameter of the Study:

The parameter of this study is the mean satisfaction score of all customers in the entire population. The company is interested in understanding the average satisfaction level of all their customers based on the survey responses.

c) Frequency Distribution Table:

Let's construct the frequency distribution table for the given data on the number of employees in each department. First, we list the unique departments and then count the occurrences of each department.

Department Frequency

Marketing 3

Sales 10

Finance 5

Operations 8

Human Resources 6

Step-by-step explanation:

Marketing appears 3 times in the data.

Sales appears 10 times.

Finance appears 5 times.

Operations appears 8 times.

Human Resources appears 6 times.

This frequency distribution summarizes the number of employees in each department based on the given data set.